Hadži Pešić M, Žikić O. Stres - prevladavanje i kontrola. Scero print, Niš, 2014. ISBN 978-86-86573-10-0
Žikić O. Relaksacion veštine u borbi protiv stresa – praktične smernice. U: Nešić M. Psihoneuroimunologija stresa. Medicinski fakultet u Nišu, Punta; 2005, 261-269. ISBN 978-86-6427-006-9
Zikic O (2011). How it looks when negotiation fail: why do we need specific and specialized training for international negotiators? In: Aquilar F, Galluccio M. (eds) Psychological and political strategies for peace negotiation – A cognitive approach, 189-96, Springer, New York London.
Žikić Olivera (2010). “Zavisni poremećaj ličnosti”, U: Erić Ljubomir (urednik). Psihodinamička psihijatrija, Tom IV, Poremećaji ličnosti, 296 - 310. Službeni glasnik, Beograd.
Žikić Olivera (2010). “Anksiozni ili izbegavajući poremećaj ličnosti”, U: Erić Ljubomir (urednik). Psihodinamička psihijatrija, Tom IV, Poremećaji ličnosti, 279 – 295. Službeni glasnik, Beograd
Žikić O. Biološka osnova shizofrenije. U: Nikolić Popović J, Manojlović S. Shizofrenija – savremeni teorijski koncepti i klinička praksa. Medicinski fakultet u Nišu, Punta; 2006, 43-62.
Žikić O, Mihajlović S. Kognitivno bihejvioralna terapija paranoidnosti U:Nikolić Popovic J, Manojlović S. Paranoidni poremećaji - integrativni pristup. Medicinski fakultet u Nišu, Punta, 2009.
Mihajlović S, Žikić O. Fenomenologija paranoidnosti. U:Nikolić Popovic J, Manojlović S. Paranoidni poremećaji - integrativni pristup. Medicinski fakultet u Nišu, Punta, 2009.
Žikić O, Dragišić T. Ličnost i rizično seksualno ponašanje. U: Stefanović Stanojević T. Studenti, seks i droga - rizično seksualno ponašanje studenata univerziteta u Nišu i njihova iskustva sa narkoticima, Centar za naučna istraživanja SANU i Univerziteta u Nišu, Sven Niš, 2008, 83-97.
Žikić O. Depersonalizacioni sindrom – fenomenologija, učestalost i podela. Medjunarodni tematski zbornik „Identitet i kriza identiteta“, Filozofski fakultet Univerziteta u Prištini, Kosovska Mitrovica, 2011, 184-200.
Žikić O, Nikolić G (2012). Mogućnosti kognitivno bihevioralne terapije u tretmanu hroničnih somatskih bolesnika. Urednik: Ilić S. Primena neurolingvističkih strategija u tretmanu hroničnih somatskih bolesti. „Galaksija“, Niš, Društvo za Liaison psihijatriju; 2012: 101-116.
Nikolić G, Žikić O (2012). Psihofiziološki mehanizmi psihosomatskih bolesti. U: S. Ilić (urednik). Primena neurolingvističkih strategija u tretmanu hroničnih somatskih bolesti. „Galaksija“, Niš, Društvo za Liaison psihijatriju; 2012: 37-55.
Žikić O, Nikolić G. Emocionalni problemi članova porodice narkomana na metadonskom programu. Međunarodni tematski zbornik: pojedinac, porodica, Društvo u tranziciji. Univerzitet u Prištini Filozofski Fakultet, Kosovska Mitrovica, 2013, 13-24.
Nikolić G, Žikić O. Ličnost, prilagođavanje i stresne reakcije. Međunarodni tematski zbornik: pojedinac, porodica, Društvo u tranziciji. Univerzitet u Prištini Filozofski Fakultet, Kosovska Mitrovica, 2013, 304-317.
Žikić, O. (2012) Anksiozna ali izogibajoča motnja osobenosti. In Lj. Erić. Psihodinamična psihijatrija IV, Motnje osobenosti, Hermes IPAL, Ljubljana, pp 385-409.
Žikić, O. (2012) Odvisnostna motnja osobenosti. In Lj. Erić. Psihodinamična psihijatrija IV, Motnje osobenosti, Hermes IPAL, Ljubljana, pp 409-431.
Žikić O., Nikolić G., Krstić M. Kognitivno bihejvioralne tehnike kontrole stresa kod mladih. Medjunarodni zbornik "Mladi i društvene promene - izmedju nacionalnog identiteta i evrointegracija". Filozofki fakultet Univerziteta u Prištini sa privremenim sedištem u Kosovskoj Mitrovici, 2014, str. 23-42. ISBN 978-86-6349-035-2
Nikolić G., Žikić O., Krstić M. Stresno reagovanje i prevencija distresa mladih u tranziciji. Medjunarodni zbornik "Mladi i društvene promene - izmedju nacionalnog identiteta i evrointegracija". Filozofki fakultet Univerziteta u Prištini sa privremenim sedištem u Kosovskoj Mitrovici, 2014, str. 11-22. ISBN 978-86-6349-035-2
Žikić O. Кombinovanje kognitivno-bihejvioralne terapije i farmakoterapije. U: Vukosavljević-Gvozden T. (Urednik). Кognitivno bihejvioralne terapije danas - razvoj i promene. Institut za psiholgiju, Filozofski fakultet Univerziteta u Beogradu, 2015, 289-306.
Žikić O., Nikolić G., Кrstić MŽ. Bihejvioralni i psihološki simptomi u sklopu Alchaimerove bolesti. Filozofski fakultet Univerziteta u Prištini sa privremenim sedištem u Кosovskoj Mitrovici, Кosovska Mitrovica, 2015, 183-200. ISBN - 978-86-6349-053-6.
Nikolić G., Žikić O., Кrstić MŽ. Psihosocijane intervencije kod osoba obolelih od demence. Medjunarodni tematski zbornik Starenje i kvalitet života: tranzicija i evrointegracije. Filozofski fakultet Univerziteta u Prištini sa privremenim sedištem u Кosovskoj Mitrovici, Кosovska Mitrovica, 2015, 169-182. ISBN - 978-86-6349-053-6
Žikić O, Nikolić G. Odnos psihoterapije i farmakoterapije. U: Latas M, Ivković M, Janjić V. (Ured). Farmakoterapija u psihijatriji, Beograd:CEDUP, 2018 (Beograd:Glasnik), 363-372. CIP:616.89-085.21(082) 615.214(082); ISBN: 978-86-900621-0-2 COBISS.SR-ID: 269408012 M44
Zikić O, Cirić S, Mitković M. Depressive phenomenology in regard to depersonalization level.Psychiatr Danub. 2009 Sep;21(3):320-6.
Nikolić Gordana, Miljković Srbobran, Stoiljković Aleksandar, Manojlović Snežana, Ćirić Zoran, Žikić Olivera, Vučurević Mara (2010). “Uticaj psiholoških i kardioloških parametara na ponovnu hospitalizaciju osoba s oboljenjem srca”. Srp Arh Celik Lek 138(3-4): 154-161.
Djordjevic V, Jevtovic-Stoimenov T, Lazarevic D, Stojanovic I, Trajanovic Lj, Zikic O, Djordjevic V. Association analysis for neuronal nitric oxide synthase gene polymorphism with plasma nitrite/nitrate concentration in schizophrenia / Analiza asociranosti polimorfizma gena za neuronalnu azot-monoksid sintazu i koncentracije nitrita/nitrata u plazmi kod obolelih od shizofrenije. J Med Biochem 33: 1–7, 2014.
Kostic J, Nesic M, Stankovic M, Zikic O. Perceived parenteral acceptance/rejection, some family characterstic and conduct disorder in adolescents. Vojnosanit Pregl 2014; 71(10): 942–948.
Ciric-Zdravkovic, S, Zikic, O, Stanojevic, D, Petrovic-Nagorni, S. Anxiety in patients with acute coronary syndromes. Eur. J. Psychiat. Vol. 28, N.° 3, (165-171), 2014.
Zikic O, Krstic M, Randjelovic D, Nikolic G, Dimitrijevic B & Jaredic B. (2015). Anxiety and Depressiveness in Students with Childhood War-Related Experiences. Journal of Loss and Trauma: International Perspectives on Stress & Coping, JOURNAL OF LOSS & TRAUMA, vol. 20 br. 2, str. 95-108.
Zikic, O., Nikolic, G., & Kostic, J. (2019). Clinical picture of benzodiazepine dependence: The role of different types of benzodiazepines. Journal of Substance Use, 1-7. DOI: 10.1080/14659891.2019.1581283 M23; (IF5: 0.821)
Kostić, J. S., Nešić, M., Stanković, M., Žikić, O., & Marković, J. (2016). Evaluating empathy in adolescents with conduct disorders. Vojnosanitetski pregled, 73(5), 429-434. DOI: 10.2298/VSP150121031K. M23; (IF5: 0.415)
Čedo D. Miljevic, Dusica Lečić-Toševski, Paunović V, Ivković M, Branković S, Potrebić A, Britvić D, Latas M, Vuković O, Milovanović S, Batinić B, Timotijević I, Todorović M, Gajić G, Lukić B, Stefanović L, Bokonjić S, Jokanović M, Filipović S, Ilić Z, Vujović A, Todorović D, Florikić D, Radovanović M, Bjelica N, Vuković T, Antonijević J, Eror A, Jović Z, Jovanović S, Martinović J, Jokić N, Miljatović A, Trikoš L, Abramović M, Živković N, Jakulić S, Jovanović L, Drecun K, Dukić Dejanović S, Jovanović M, Ravanić D, Janjić V, Cvetanović P, Doković D, Šojić M, Lazović G, Trajanović L, Žikić O, Skakić O, Nikolić G, Lazarević D, Tamburić V, Živanović O, Borišev L, Savković I, Softić J, Lujanov D, Nedić A, Vasić V, Dasović A, Dadasović J, Ćurčić M, Papić T, Selaković S, Ribarac J, Mešterović A, Miličević J, Njegomir Č. (2016). Efficacy and tolerability of trazodone retard monotherapy: results of the Serbian non-interventional study. International journal of psychiatry in clinical practice, 20(3), 133-140. DOI:10.1080/13651501.2016.1199809. M23; (IF5: 1.359)
Maric N, Latasa M, Andric Petrovica S, Soldatovic I, Arsovac S, Crnkovic D, Gugleta D, IvezicA, Janjic V, Karlovic D, Lecic Tosevski D, Mihaljevic-Pelesi A, Novotni A, Pejuskovic B, Radmanovic B, Siladji Mladenovic Dj, Slavkovic V, Stimac Z, Zikic O. (2017). Prescribing practices in Southeastern Europe–focus on benzodiazepine prescription at discharge from nine university psychiatric hospitals. Psychiatry Research, 258, 59-65. DOI: 10.1016/j.psychres.2017.09.059. M22; (IF5: 2.837)
Tošić Golubović S, Žikić O, Slavković V, Nikolić G, Simonović M. (2018). Relationship of depersonalization and suicidality in depressed patients. Vojnosanitetski pregled, 75 (11): 1065-1069. DOI: 10.2298/VSP161201023T. M 23; (IF5: 0.415)
Veličković-Radovanović, R., Catić-Đorđević, A., Dinić, K., Radivojević, J., Žikić, O., Cvetković, T., & Mitić, B. (2018). Metronidazole-and levofloxacin-induced psychotic disorders in chronic kidney patient. European Journal of Hospital Pharmacy, 0:1–3. DOI: 10.1136/ejhpharm-2018-001677. M23 (IF5: 0.549)
Nikolić, G., Tasić, I., Žikić, O., Tošić-Golubović, S., Stojanović, N., Simonović, M., & Kostić, J. (2019). The risk of metabolic syndrome in patients with arterial hypertension in relation to psychological and biological risk factors. Vojnosanitetski pregled, (00), 130-130. M23
Гoрдaнa Никoлић, Гoрдaнa Maндић Гajић, Ивaн Taсић, Oливeрa Жикић, Сузaнa Toшић Гoлубoвић Psychological characteristics in patients with non-cardiac chest pain. Vojnosanitetski pregled 2019; 76 (8) 772-778. DOI: 10.2298/VSP170516150N M23
Jovana A, Iva B, Olivera Z, Snezana M, Suzana T-G, Nikola P. Mental health of medical personnel during the COVID-19 pandemic. Brain Behav. 2020;00:e01881. DOI:10.1002/brb3.1881 M23
Jelena Stojanov, Miodrag Stankovic, Olivera Zikic, Matija Stankovic and Aleksandar Stojanov. The risk for nonpsychotic postpartum mood and anxiety disorders during the COVID-19 pandemic. The International Journal of Psychiatry in Medicine, 2021; 56(4), 228-239. doi: 10.1177/0091217420981533 M23
Kostić, J., Žikić, O., Đorđević, V. et al. Perceived stress among university students in south-east Serbia during the COVID-19 outbreak. Ann Gen Psychiatry 20, 25 (2021). doi: 10.1186/s12991-021-00346-2 M22
Stojanov, J., Stankovic, M., Zikic, O., & Stojanov, A. (2021). The Relationship Between Alexithymia and Risk for Postpartum Depression. Psychiatric Annals, 51(9), 431-436. M23
Stojanov, J., Stankovic, M., Zikic, O., Stankovic, M., & Stojanov, A. (2021). The risk for nonpsychotic postpartum mood and anxiety disorders during the COVID-19 pandemic. The International Journal of Psychiatry in Medicine, 56(4), 228-239. M23
Žikić O., Nikolić G. (2014). Traumatic experiences and depression in student population / gender differences. Teme, 4, 1683-1697. M24
Žikić O, Tošić-Golubović S, Slavković V. Kvalitet života kod pocijenata obolelih od unipolarne depresije. Med Pregl. 2010Jan-Feb: LXIII (1-2):113-116. M51
Mitković M, Ristić L, Žikić O, Milošević V, Grbeša G. (2010). “Percepcija bolesti u hroničnoj opstruktivnoj bolesti pluća”. Med Pregl vol. 63, br. 3-4, str. 179-182. M51
Zikic O, Ciric Z, Tosic Golubovic S, Trajanovic Lj. Dissociative and depersonalization symptomatoms of anxious disorders. Receptor, Bulgarian Journal of Psychiatry 2005; 4:18-25. M51
Tošić Golubović S, Nagorni A, Miljković S, Žikić O. Psychosocial Factors in Irritable Bowel Syndrome. Acte Fac Med Naiss 2005; 22(3):121-126. M51
Tošić Golubović S, Nagorni A, Miljković S, Raičević Sibinović S, Žikić O. Evaluation of the Psychosocial Manifestation Among the Patients With Irritable Bowel Syndrome. Acte Fac Med Naiss, 2004; 21 (4): 225-230. M51
Stanković M.; Zdravković J., Trajanović Lj; Žikić O. Biološka i bihejvioralna razmatranja ljudskog seksualnog ponašanja, Psihijatrija danas, 2001; 33,(3-4), 209-222. M52
Ćirić Zdravković S, Žikić O, Lazović M (2013). Depression and acute coronary syndrome. HealthMED, 7, 5, 1449-54. M52
Žikić O, Arandjelović J, Stanković M. Gender-specific clinical manifestation of unipolar depression. Acta Medica Mediane, 2016, Vol 55, No 2, 5-11. DOI: 10.5633/amm2016.0201 M52
Kostić-Petrović I, Žikić O. Biomarkers of depression: new challenges. Acta Medica Medianae 2017, Vol.56(1):44-49. DOI:10.5633/amm.2017.0107. M52
Nikolić G, Stanojević M, Žikić O, Tošić Golubović S. Psychological characteristic of patients with psoriasis – our experience. Acta Medica Medianae 2018;57(2):12-17. DOI: 10.5633/amm.2018.0202; M 51
Kostić, J., Žikić, O., Stankovic, M., & Nikolić, G. (2019). Nonsuicidal self-injury among adolescents in south-east Serbia. International Journal of Pediatrics and Adolescent Medicine, 6, (4):131-134. DOI:10.1016/j.ijpam.2019.06.002
Ćirić-Zdravković, S., & Žikić, O. (2019). The impact of depression on therapy of acute coronary syndrome. Acta Medica Medianae, 58(2), 145-153. DOI:10.5633/amm.2019.0222 M51
Stojanov, J., Stanković, M., Žikić, O., & Antonijević, J. (2019). Postpartum psychiatric disorders: Review of the research history, classification, epidemiological data, etiological factors and clinical presentations. Acta facultatis medicae Naissensis, 36(3), 167-176.DOI: 10.5937/afmnai1903167S M51
Гордана Николић, Зоран Ћирић, Оливера Жикић. Непсихотични поремећаји и радна способност. Свет Рада 2019; (16) 2 : 146-158. ИССН 1451-7841 УДК: 331.47: 340.66. M53
Kostić, J., Žikić, O., Stanković, M., Nikolić, G., & Ignjatović, A. (2019). Characteristics of families with adolescents who have engaged in non-suicidal self-injury. Acta Medica Medianae, 58(4), 42-48.
Gordana Nikolić, Maja Stanojković, Miroslav Krstić, Olivera Žikić, Nikola Stojanović, Suzana Tošić-Golubović, Maja Simonović, Jelena Kostić. Stigmatization of psychiatric patients among students in Serbia. Acta Medica Medianae 2020;59(2):93-99. DOI: 10.5633/amm.2020.0213 M51
Kostić J, Stanković M, Žikić O (2020) The Importance of Subtypes of Conduct Disorders in Clinical Practice. J Neonatol Clin Pediatr 7: 051.
Jelena Stojanov, Aleksandar Stojanov, Miodrag Stankovic, Olivera Žikic. The immediate effects of the covid-19 pandemia on postpartum women. Praxis Medica, 2020; 49 (1,2) 59-61. DOI: 10.5937/pramed2002059S
Kostic, J. S., Stojanović, A., Stanković, M., & Žikić, O. (2021). Structured Assessment of Violence Risk in Youth in clinical practice. Acta Medica Medianae, 60(3).
Trajanovic Lj, Skakic O, Žikic O, Hadži-Pesic M. Bio-Psycho-Social Factors and Remission of SCH Patients. Proceedings of the X World Congress of Psychiatry, Madrid, 1996.
Hadži-Pesic M, Miljkovic S, Žikic O, Trajanovic Lj. The Effects of a Relaxation Technique on Essential Hypertension. Proceedings of the X World Congress of Psychiatry, Madrid, 1996.
Žikic O, Zdravkovic J. Psychotic Anxiety and Eye Movement Desensitization, Proceedings of the X World Congress of Psychiatry, Madrid, 1996.
Trajanovic Lj, Zdravkovic J, Žikic O, Ciric Z, Skakic O. Local culture and myths about suicide. Proceedings of the X World Congress of Psychiatry, Satellite Symposium on Suicidal Behavior, Budapest, 1996.
Trajanovic Lj, Žikic O, Skakic O. Correction possibilities of schizophrenic patient’s family members wrong attitudes in an intended educational program. Proceedings of the 17th Danube Symposium of Psychiatry, Timisoara, 1996.
Žikic O, Trajanovic Lj, Skakic O. Family members education-an integral part of schizophrenic patients treatment and rehabilitation program. Proceedings of the 17th Danube Symposium of Psychiatry, Timisoara, 1996.
Skakic O, Trajanovic Lj, Žikic O. Education and attitudes alteration of a schizophrenic patient family. Proceedings of the 17th Danube Symposium of Psychiatry, Timisoara, 1996.
Zdravkovic J, Žikic O. Reduction in psychotic anxiety by eye movement desensitization. Proceedings of the 17th Danube Symposium of Psychiatry, Timisoara, 1996.
Trajanovic Lj, Žikic O, Skakic O, Ciric Z. Effects on relapse prevention of the educational programme of the family members of schizophrenic patients. Proceedings of the International conference on the therapeutic standards of psychiatric diseases, Varna, 1996.
Skakic O, Trajanovic Lj, Žikic O. Family psychoeducation in the process of rehabilitation of schizophrenic patients. Proceedings of the 6th World Congress on Rehabilitation in Psychiatry, Belgrade, 1997.
Trajanovic Lj, Žikic O, Skakic O. Problems of intended educational program for family members of schizophrenic patients. Proceedings of the WPA Regional Congress on Preventive Psychiatry, Athens, 1999.
Skakic O, Nikolic G, Trajanovic Lj, Žikic O. Outpatient treatment and sociopsychiatric follow up of psychotic patients. Proceedings of the WPA Regional Congress on Preventive Psychiatry, Athens, 1999.
Žikic O, Trajanovic Lj, Ćiric Z. Researching the myths about suicide-the first step in primary prevention. Proceedings of the WPA Regional Congress on Preventive Psychiatry, Athens, 1999.
Žikic O, Trajnovic Lj, Hadži Pesic M, Skakic O. Characteristics of the groups of patients who suffer from anxiety disorders in regard to level of social anxiety. Proceedings of the WPA International Congress “New Commitments for Psychiatrists”, Madrid, Spain, 2001. Madrid, Spain, 2001.
Žikic O, Trajanovic Lj, Djordjevic A, Stevanovic Z. Social anxiety and anxiety disorders. Proceedings of the AEP 2002, Stockholm, 2002.
Žikic O, Trajanovic Lj, Stankovic M, Djordjevic A. Necessity of assertiveness training in treatment of anxiety disorders. Proceedings of the XXXII Annual Congress of the EABCT, Maastricht, 2002.
Žikic O, Trajanovic Lj, Djordjevic A, Djordjevic V. The combination of cognitive – behavioural therapy and pharmacotherapy in treatment of severe OCD associated with Gilles de la Tourette’s syndrome. Proceedings of the XXXIII Annual Congress of the European Association of Behaviour Cognitive Ttherapies, Prague, 2003.
Trajanovic Lj, Žikic O, Stevanovic Z, Skakic O. Quality of life of educated schizophrenic patients’ family members. Proceedings of the XXXIII Annual Congress of the European Association of Behaviour Cognitive Therapies, Prague, 2003.
Zikic O, Trajanovic Lj, Mitkovic M. Intrusive thought control strategies in anxiety disorders. Proceedings of the International Yearly Conference, Acicestello (Catania), Italy, 2004.
Trajanovic Lj, Skakic O, Zikic O, Ciric Z. Tabacco use and health related quolity of life. Proceedings of the Fifth national conference with international participation of college privare psychiatric practice, Plovdidv, Bulgaria, 2004.
Zikic O, Grbesa G, Lecic-Tosevski D. Mental health care in Serbia and Montenegro: the problem of refugees. Proceedings of the International congress of the World Psychiatric Association - Treatments in psychiatry: an update, Florence, Italy, 2004.
Matejic J, Zikic O. Depersonalization symptomatology in depressive patients. Proceedings of the International congress of the World Psychiatric Association - Treatments in psychiatry: an update, Florence, Italy, 2004.
Zikic О, Тrajanovic Lј. Dissociation symptomatology in anxiety disorders. Proceedings of the International congress of the World Psychiatric Association - Treatments in psychiatry: an update, Florence, Italy, 2004.
Zikic O, Trajanovic Lj, Tosic Golubovic S, Matejic J. Quality of life of patients suffering from anxiety disorder with co-morbid depression. Proceedings of the 12th Congress of the Association of European Psychiatrists. Geneva, Switzerland, 2004.
Trajanovic Lj, Skakic O, Zikic O. Anti-stigma campaigns in South-East Serbia. Proceedings of the Regional and Intersectional Congress of the World Psychiatric Association – Advances in Psychiatry, Athens, Greece, 2005.
Zikic O. The consequences of succesful or unsuccesful process of negotiation.Serbian experience. Symposium: International Negotiation: a new challenge for Cognitive Psychotherapy. Proceedings of the 35th Congress of The European Association for Behavioural and Cognitive Therapies, Thessaloniki, Greece, 2005.
Zikic O, Stevcic D, Trajanovic Lj. Anxiety disorders and dissociation symptomatology. Proceedings of the 8th World Congress of Biological Psychiatry, Vienna, 2005. World J Biol Psychiatry, Vol 6, Suppl. 1, 2005.
Stevcic D, Zikic O. Depression and depersonalization. Proceedings of the 8th World Congress of Biological Psychiatry, Vienna, 2005. World J Biol Psychiatry, Vol 6, Suppl. 1, 2005.
Trajanovic Lj, Zikic O. Cognitive-behavioral therapy for early psychosis: between therapists’, patients’ and families’ goals. EABCT congres, Paris, 2006.
Mitkovic M, Ristic L, Zikic O, Dunic B. Illness perception in relation to anxiety , depression and compliance with treatment regime in patients with chronic obstructive pulmonary disease (COPD). Proceedings of the 36th Annual Congress of European Association of Behavioural and Cognitive therapies, Paris, 2006.
Trajanovic Lj, Skakic O, Zikic O. Pharmacotherapy in schizophrenic patients and quality of life of their family members. Proceedings of the ENCP congress, Paris, 2006.
Zikic O.Why Do We Need Specific and Specialized Training for International Negotiators: The Serbian Experience. Symposium: International Negotiation and Psychotherapy. Proceedings of the V World Congress of Behavioural & Cognitive Therapies, Barcelona, 2007.
Zikic O, Igic N, Mitkovic M, Trajanovic Lj. Suicidality in depressive patients in regards of level of depresonalization. In: Psicoterapia Cognitiva e Comportamentale. Proceedings of the 6th International Congress of Cognitive Psychotherapy, Rome, 2008;14(2),123.
Mitkovic M, Ristic L, Mrkaic A, Zikic O, Stankovic M, Mitic M. Illness perception and smoking in chronic obstructive pulmonary disease (COPD). In: Psicoterapia Cognitiva e Comportamentale. Proceedings of the 6th International Congress of Cognitive Psychotherapy, Rome, 2008;14(2),170.
Zikic O, Nikolic G, Mitkovic M. Depersonalization and suicidality in unipolar depression. Proceedings of the 11th Central European Neuropsychopharmacological Symposium, Psychiatric Comorbidity: Implication for diagnosis and treatment, Belgrade, Serbia, 2008, 23.
Zikic O, Tosic Golubović S, Slavkovic V, Nikolic G. Depersonalization and depressive phenomenology in unipolar depression. Abstracts book - 9th World Congress of Biological Psychiatry, Paris, France, 2009.
Nikolic G, Zikic O, Samardzic Lj, Milosavljevic Lj, Ciric Z. Psychological reactions of woman with late pregnancy abortion. Abstracts book - 9th World Congress of Biological Psychiatry, Paris, France, 2009.
Slavkovic V, Tosic-Golubovic S, Gugleta D, Zikic O. Serum lipid profiles and schizophrenia: ratio of LDL/HDL cholesterol as predict factor for acute phase schizophrenia (Meeting Abstract). European Neuropsychopharmacology, (2009), vol. 19 br. , str. S701-S702.
Tosic-Golubovic S, Zikic O, Nikolic G, Slavkovic V, Gugleta D, Sibinovic V. Adjunctive mood stabilising treatment: the effects on hostility and impulsivity among patients with schizophrenia (Meeting Abstract). European Neuropsychopharmacology, (2009), vol. 19 br. , str. S532-S532.
Zikic O, Miljkovic S, Tosic Golubovic S, Nikolic G. (2010). “Somatization and depression”, Abstracts book - 24th Danube Congress of Psychiatry, Zagreb, Croatia, 43.
Tosic Golubovic S, Miljkovic S, Zikic O, Nikolic G, Gugleta D. (2010). “Irritable bowel syndrome as depression equivalent”. Abstracts book - 24th Danube Congress of Psychiatry, Zagreb, Croatia, 42.
Nikolic G, Zikic O, Miljkovic S, Tosic Golubovic S. (2010). “Noncardiac chest pain and psychiatric syndromes”. Abstracts book - 24th Danube Congress of Psychiatry, Zagreb, Croatia, 44.
Mitkovic M, Lecic Tosevski D, Pejovic Milovancevic M, Popovic Deusic S, Zikic O, Perunicic I, Rakovic I. Emotional Abuse In Childhood And Dysfunctional Parenting In Adulthood: The Role Of Cognitive Schemas. XL Congress of EABCT, Milan, Italy, 2010.
Zikic O, Slavkovic V, Tošic Golubovic S, Nikolic G. Depression with depersonalization – a distinct and more severe subcategory of depressive disorder ? Abstracts book – 10th World Congress of Biological Psychiatry, Prague, Czech Republic, 2011, p. 65.
Slavkovic V, Tosic-Golubovic S, Zikic O, Gugleta D. The influence of antipsychotics on the occurrence of the metabolic syndrome in schizophrenic patients. EUROPEAN NEUROPSYCHOPHARMACOLOGY, (2011), vol. 21 br. , str. S474-S475.
Nikolic G, Zikic O, Tošić S, Manojlovic S. Risk health behavior and psychological reactions after cardiac event. Abstract book – 19th European Congress of Psychiatry, Vienna Austria, March 2011.
Mitkovic M, Lecic Tosevski D, PejovicMilovancevic M, Popovic Deusic S, Zikic O, Milosevic V. Punitive Child-Rearing Discipline in Relation to Parental Cognitive Schemas and Emotional Regulation Strategies. Abstract book – 7th International Congress of Cognitive Psychotherapy, Istanbul, Turkey, 2011.
Tošić Golubovic S, Sibinović V, Slavkovic V, Zikic O, Gugleta D. Qol, global functioning and social adaptation of schizophrenic subjects treted with long- acting risperidone. European Neuropsychopharmacology The Journal of the European College of Neuropsychopharmacology, Vol. 20, Supplement 3, page S494.
Sibinović V, Tošić Golubović S, Gugleta D, Selimović G, Žikić O. Different forms of risperidone and haloperidol in sexual dysfunction among schizophrenic male patients. European Neuropsychopharmacology The Journal of the European College of Neuropsychopharmacology, Vol. 20, Supplement 3, page S515.
Nikolić G, Žikić O. Historical and medical overview of significant infectioud diseases in Serbia. Zbornik apstrakta - Medjunarodni naučni skup “Život i delo akademika Bogumila Hrabaka”, Kosovska Mitrovica, 2011, 54-55..
Jovic J, Knezevic M, Jovic S, Zikic O (2012). Depression and coronary heart disease. Abstract book. III Congress of GP doctors of republic of macedonia with international participation, Ohrid, Macedonia.
Nikolić G, Žikić O Tosic S (2012). Anxiety and chest pain.The Journal of the European Psychiatric Association.20 (Spl 1). Abstracts on CD -Rom.20th European Congress of Psychiatry.Prague Czech Republic.
Žikić O (2012). Biološka osnova psihoterapije (plenarno predavanje). Zbornik sažetaka: I Kongres psihijatrijskog udruženja Crne Gore, I Kongres udruženja kognitivno bihejvioralne terapije Crne Gore, IV Kongres srpskog udruženja bihejvioralno kognitivnih terapeuta sa medjunarodnim učešćem "Psihijatrija danas - principi farmako i psihoterapije" (sponzorisan od strane Svetske psihijatrijske organizacije), str 65. Bečići, Crna Gora, 04-07. oktobra 2012. Plenarno predavanje po pozivu štampano u izvodu.
Žikić O (2012). Uvod u KBT. Zbornik sažetaka: I Kongres psihijatrijskog udruženja Crne Gore, I Kongres udruženja kognitivno bihejvioralne terapije Crne Gore, IV Kongres srpskog udruženja bihejvioralno kognitivnih terapeuta sa medjunarodnim učešćem (sponzorisan od strane Svetske psihijatrijske organizacije). Bečići, Crna Gora. Predavanje po pozivu štampano u izvodu.
Žikić O. Djordjević V. (2012). Kvalitet života i funkcionalnost pacijenata sa hroničnom upotrebom benzodiazepina. Zbornik sažetaka: I Kongres psihijatrijskog udruženja Crne Gore, I Kongres udruženja kognitivno bihejvioralne terapije Crne Gore, IV Kongres srpskog udruženja bihejvioralno kognitivnih terapeuta sa medjunarodnim učešćem (sponzorisan od strane Svetske psihijatrijske organizacije). Bečići, Crna Gora.
Nikolić G, Žikić O (2012). Autogeni trening-praktična primena. Zbornik sažetaka: I Kongres psihijatrijskog udruženja Crne Gore, I Kongres udruženja kognitivno bihejvioralne terapije Crne Gore. IV Kongres srpskog udruženja bihejvioralno kognitivnih terapeuta (sponzorisan od strane Svetske psihijatrijske organizacije). Bečići, Crna Gora. Predavanje po pozivu štampano u izvodu.
Djordjevic V, Lazarevic D, Trajanovic Lj, Zikic O, Cosic V, Vlahovic P. Increased oxidative stress in schizophrenic patients treated simultaneously with haloperidol and the second generation antipsychotics. European Neuropsychopharmacology 23, S456-S457, 2013.
Nikolic GM, Zikic OV. Psychological characteristic of atypical chest pain patients versus coronary patients. European Psychiatry 28, 1, 2013.
Tosic-Golubovic S., Zikic O., Conic I., Nikolic G., Sibinovic V. Anxiety and Depression Among Women With Cervical Cancer (Meeting Abstract). PSYCHO-ONCOLOGY, (2014), vol. 23 br. , str. 412-413
Žikić O., Nikolić G., Milošević V. (2014). Bihejvioralni i psihološki simptomi u sklopu Alchaimerove bolesti. Medjunarodna naučna konferencija - "Starenje i kvalitet života: tranzicija i evrointegracije". Knjiga sažetaka, str. 97-98.
Milošević V., Žikić O., Nikolić G. (2014). Alchaimerova bolest - kriterijumi i postavljanje dijagnoze. Medjunarodna naučna konferencija - "Starenje i kvalitet života: tranzicija i evrointegracije". Knjiga sažetaka, str. 95-96.
Nikolić G., Milošević V., Žikić O. (2014). Psihosocijalne intervencije kod dementnih osoba. Medjunarodna naučna konferencija - "Starenje i kvalitet života: tranzicija i evrointegracije". Knjiga sažetaka, str. 99-100.
Zikic O., Djordjevic V., Kostic J., Nikolic G. Type of benzodiazepine and clinical presentation of benzodiazepine dependence. The 12th World Congress of Biological Psychiatry, Athens, Greece, 2015. M34
Djordjevic V, Lazarevic D, Cosic V, Zikic O, Trajanovic Lj. Erythrocyte Superoxide Dismutase Activity is Higher in Younger Than in Older Schizophrenics. Abstracts of the 23rd European Congress of Psychiatry. European Psychiatry, Volume 30, Supplement 1, 28–31 March 2015, Pages 883. doi:10.1016/S0924-9338(15)30689-1; M34
Zikic O, Nikolic G, Krstic M, Randjelovic D, Jeredic B. Anxiety, Depression and Childhood War Trauma. Abstracts of the 23rd European Congress of Psychiatry. European Psychiatry, 2015, Volume 30, Supplement 1, Pages 574. doi:10.1016/S0924-9338(15)30455-7; M34
Žikić O. Kognitivno-bihejvioralna terapija – teorija, empirija i praksa (Plenarno predavanje). Načionalni kongres sa medjunarodnim učešćem „Lepota trajanja – PAN 2016: Kognitivno-bihejvioralna terapija i psihofarmakoterapija. Niš, 2016, M34
Žikić O. Depresija – nezaobilazni Aron Bek (radionica). Načionalni kongres sa medjunarodnim učešćem „Lepota trajanja –PAN 2016: Kognitivno-bihejvioralna terapija i psihofarmakoterapija Niš, 2016, M34
Николић Г, Жикић О, Крстић М (2017) „Форензички аспекти реактивих стања“, VIII-та Мегународна научна конференција Мегународен дијалог: исток-запад: (психологија, образовање и медицина): зборник (списание) на научни трудови, година IV број 3; стр. 141-146, Р Македонија, Свети Николе - Руска федерација, Тамбов. Vol.4 4/201 UDK 081; ISSN (print) 1857-9299; ISSN (online) 1857-9302; Рад UDK 340.63:159.9.018 M33
Zikic O, Nikolic G, Kostic J, Binic I, Manojlovic S. Benzodiazepine dependence and personality disorders. European Psychiatry, march 2018, vol 48, S743-44. M34
Latas M, Andric Petrovic S, Soldatovic I, Gugleta D, Ivezic A, Janjic V, Lečić Toševski D, Pejuskovic B, Radmanovic B, Siladji Mladenovic D, Slakovic V, Zikic O, Maric NP. Antidepressant associated with increased bensodiazepine discharge prescriptins – Serbian study from six university psychiatric hospitals. European Psychiatry, march 2018, vol 48, S673. M34
Stojanov J, Stojanov A, Žikić O. Postpartal depression. 1st International Perinatal TOTAL Health Congress, Sinaia, Romania, 2018, 161-62. M34
Binic I, Zikic O, Stojanov J, Pancic D, Rancic S, Antonijevic J. Neuroimaging orbitofrontal cortex: reward and punishment. Book of abstract: WPA co-sponsored 6th Macedonian psychiatric congress and international meeting “Psychiatry and mental health in the 21th century. Psychiatric Association of Macedonia, Ohrid 31.10.-03.11.2018, 58. M34
Stojanov J, Zikic O, Stankovic M. Psychotherapy of perinatal depression. Book of abstract: WPA co-sponsored 6th Macedonian psychiatric congress and international meeting “Psychiatry and mental health in the 21th century. Psychiatric Association of Macedonia, Ohrid 31.10.-03.11.2018,56-57. M34
Stefanovski B, Babinkostova Z, Manuševa N, Latas M. Zikic O. Recognition of bipolarity. Book of abstract: WPA co-sponsored 6th Macedonian psychiatric congress and international meetin “Psychiatry and mental health in the 21th century. Psychiatric Association of Macedonia, Ohrid 31.10.-03.11.2018,14. M34
Binić Iva, Žikić Olivera, Nikolić Gordana, Stojanov Jelana. Indicatorsof benzodiazepine dependence in patients with personality disorder. Book of Abstracts – 16th Psychiatric days of Bosnia and Herzegovina, Comorbidity in Psychiatry and Psychiatric Comorbidity in Medicine. Banja Luka, 21-23th September 2018, 166-67. M34
Antonijević J, Žikić O, Nikolić G, Karapandžić D. Correlation between indicators of benzodiazepine dependence and cognitive changes in long-term use of benzodiazepines. Book of Abstracts – 16th Psychiatric days of Bosnia and Herzegovina, Comorbidity in Psychiatry and Psychiatric Comorbidity in Medicine. Banja Luka, 21-23th September 2018, 164-65. M34
Стефановски Б., Бабинкостова З., Димова З., Жикик О. Блок дијаграм на анксиозноста или каде се крије анксиозноста. Зборник на апстракти - Мегународна психијатријска конференција "Стрес и анксиозни растројства низ различни животни фази", Охрид, 2015, 11. ISNB 978-608-245-115-2 M33
Николић Г, Жикић О, Крстић М. Психолошко саветовање избеглих лица у Србији. СЕДМА МЕЃУНАРОДНА НАУЧНА КОНФЕРЕНЦИЈА «МЕЃУНАРОДЕН ДИЈАЛОГ: ИСТОК - ЗАПАД» (ПСИХОЛОГИЈА И ОБРАЗОВАНИЕ). Година 3, Број 3, 7/2016, Свети Николе, Република Македонија, 99-102, Уредник: Доц. д-р Јордан Ѓорчев Издавач: МЕЃУНАРОДЕН ЦЕНТАР ЗА СЛАВЈАНСКА ПРОСВЕТА - СВЕТИ НИКОЛЕ ISSN (принт) 1857-9299 ISSN (онлајн) 1857-9302 М33
Крстић М, Николић Г, Жикић О. Изазови у инклузивном образовању и васпитању. Девета мегународна научна конференција, Мегународен Славјански универзитет „Гаврлило Романовић Державин“, Мегународен центар за славјанска просвета Свети Николе, Битола, Република Македониа. Списание на научни трудови - Меѓународен дијалог: исток-запад, Година 5 број 3, Aприл 2018: 197-202. ISSN (print) 1857- 9299 ISSN (on line) 1857-9302 UDK: 376.091-056.021 (497.11) M33
Крстић М, Николић Г, Жикић О. Потребе недовољно ментално развијене деце и младих. Девета мегународна научна конференција, Мегународен Славјански универзитет „Гаврлило Романовић Державин“, Мегународен центар за славјанска просвета Свети Николе, Битола, Република Македониа. Списание на научни трудови - Меѓународен дијалог: исток-запад, Година 5 број 3, Aприл 2018:203-207. ISSN (print) 1857- 9299 ISSN (on line) 1857-9302 UDK: 364.622-784-53; M33
Antonijevic, J., Zikic, O., Kostic, J., Stojanov, J., & Binic, I. Correlation between aggression and quality of life in breast cancer patients. Abstracts of the 26th European Congress of Psychiatry In: EUROPEAN PSYCHIATRY, 2019;56: S179-S180 M34
Stojanov, J., Zikic, O., Cvetanovic, A., Binic, I., & Antonijevic, J. Quality of life in patients with breast cancer in relation to oncological characteristics of the disease. Abstracts of the 26th European Congress of Psychiatry In: EUROPEAN PSYCHIATRY, 2019;56:S105 M34
Binic, I., Zikic, O., Antonijevic, J., Stojanov, J., Rancic, S., & Pancic, D. (2020, November). Aggression, hostility and stress in relation to quality of life in breast cancer patients. In EUROPEAN NEUROPSYCHOPHARMACOLOGY (Vol. 40, pp. S344-S345). RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS: ELSEVIER.
Trajanovic Lj, Skakic O, Žikic O. Stavovi edukovanih i needukovanih clanova porodica shizofrenih pacijenata. Knjiga sažetaka - X Kongres psihijatara Jugoslavije, Nis, 1995.
Žikic O, Trajanovic Lj, Skakic O. Ucestalost tenzionih glavobolja kod neuroticnih pacijenata. Knjiga sažetaka - IV Kongres neurologa Jugoslavije, Niska Banja, 1996.
Trajanovic Lj, Žikic O, Samardžic Lj, Stevanovic Z. Dnevna bolnica danas-sveobuhvatan tretman, humanost za pacijente, korist za drustvo. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Trajanovic Lj, Žikic O, Skakic O, Stevanovic Z. Uticaj komorbiditeta na kvalitet života kod obolelih od anksioznog poremećaja. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Samardžic Lj, Simonovic M, Trajanovic Lj, Žikic O. Terapijski pristup traumatizovanom pacijentu u uslovima dnevne bolnice. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Žikic O, Trajanovic Lj, Ćiric Z, Djordjevic A. Povezanost anksioznih poremecaja i neasertivnosti. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Ćiric Z, Ilic B, Miljkovic S, Žikic O. Faktori kriminogenosti shizofrenih bolesnika. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Skakic O, Stevanovic M, Trajanovic Lj, Žikic O. Dispanzerski tretman i socijalno-psihijatrijsko pracenje bolesnika sa paranoidnom shizofrenijom. Knjiga sažetaka - XI Kongres psihijatara Jugoslavije, Vrnjacka Banja, 2000.
Hadži Pesic M, Žikic O, Trajanovic Lj, Golubovic G. Psiholoski aspekti kardiovaskularnih oboljenja. Knjiga sažetaka - VI Kongres interne medicine Jugoslavije, Beograd, 2000.
Tonić J, Petrović S, Žikić O, Relaksacioni trening u terapiji anksioznih poremecaja. Knjiga sažetaka - Oktobarski susreti zdravstvenih radnika Republike Srbije, Zlatibor, 2003.
Potić V, Trajanović Lj, Žikić O. Hronični psihijatrijski pacijenti i personalni kompijuter. Knjiga sažetaka - Oktobarski susreti zdravstvenih radnika Republike Srbije, Zlatibor, 2003.
Žikić O, Stevanović S, Trajanović Lj, Nikolić G, Matejić J. Disocijativna siptomatologija kod anksiožnih poremećaja. Knjiga sažetaka - XII Kongres psihijatara Jugoslavije, Herceg Novi, 2004.
Žikić O, Ignjatović M, Stevanović M, Djordjević V. Depersonalizaciona simptomatologija kod depresivnih pacijenata. Knjiga sažetaka - XII Kongres psihijatara Jugoslavije, Herceg Novi, 2004.
Trajanović Lj, Skakić O, Žikić O. Globalno funkcionisanje osoba obolelih od paranoidne shizofrenije. Knjiga sažetaka - XII Kongres psihijatara Jugoslavije, Herceg Novi, 2004.
Žikić O, Radivojević V. Seksualna asertivnost (Workshop). Knjiga sažetaka - Simpozijum Priroda seksualnosti i lečenje seksualnih poremećaja PAN, Niš, 2004.
Skakić O, Trajanović Lj, Žikić O. Učestalost psihijatrijskih poremećaja kod hospitalizovanih somatskih pacijenata. U: Engrami Sažeci sa WPA ko-sponzorisani XIII kongresa Udruženja psihijatara Srbije – Psihijatrja orijentisana na osobu i socijalna tranzicija – Knjiga apstrakta, Beograd, 2008; Vol 30(2), Suplement 1, 107.
Žikić O (2012). Savremeni pogledi na opsesivno-kompulzivni poremećaj. XL edukativni simpozijum Klinike za psihijatriju KCS “Spektar anksioznih poremećaja, izazov savremenog doba”. Knjiga sažetaka. 25-26. Oktobar 2012.
Јелена Јовић, Маринела Кнежевић, Малина Станишић, Оливера Жикић, Драгана Игњатовић Ристић, Бранко Ристић. Бензодиазепини у општој пракси-епидемиолошки осврт. 36. Oктобарски здравствени дани српско лекарско друштво окружна подружница Kрагујевац, Крагујевац, 28-30. Октобар 2011.
Жикић О, Николић Г. Депресија код деце и младих. Научни скуп међународног значаја - "Млади и друштвене промене - између националног идентитета и евроинтеграција" (Књига сажетака), 2013, стр. 109-110.
Николић Г, Жикић О. Психосоматско реаговање младих. Научни скуп међународног значаја - "Млади и друштвене промене - између националног идентитета и евроинтеграција" (Књига сажетака), 2013, стр. 93-94.
Николић Г, Симић И, Жикић О. Особине личности и постигнут успех студената. Научни скуп међународног значаја - "Млади и друштвене промене - између националног идентитета и евроинтеграција" (Књига сажетака), 2013, стр 51-52.