| Rodne razlike u obiteljskim ulogama, zadovoljstvu i doživljaju pravednosti s obzirom na tradicionalnost stava A Bartolac, Ž Kamenov, O Petrak Revija za socijalnu politiku 18 (2), 175-194, 2011 | 53 | 2011 |
| Kvaliteta starenja-neka obilježja starijeg stanovništva Istre i usporedba s drugim područjima Hrvatske O Petrak, J Despot Lučanin, D Lučanin Revija za socijalnu politiku 13 (1), 37-51, 2006 | 53 | 2006 |
| Academic honesty amongst the students of health studies O Petrak, A Bartolac Croatian Journal of Education: Hrvatski časopis za odgoj i obrazovanje 16 (1 …, 2014 | 22 | 2014 |
| Differences in resilience, self-stigma and mental health recovery between patients with schizophrenia and depression B Sedić, S Štrkalj Ivezić, O Petrak, B Ilić Psychiatria Danubina 33 (suppl 4), 518-528, 2021 | 12 | 2021 |
| Akademska čestitost studenata zdravstvenih studija O Petrak, A Bartolac Croatian Journal of Education: Hrvatski časopis za odgoj i obrazovanje 16 (1 …, 2014 | 12 | 2014 |
| The prevalence of dirofilariasis in the hinterland of the Istrian Peninsula D Holler, A Racz, J Bošnir, O Petrak Medica Jadertina 40 (3-4), 67-74, 2010 | 12 | 2010 |
| Pitanje autoriteta u sestrinstvu I Ružić, O Petrak Sestrinski glasnik 18 (2), 119-126, 2013 | 8 | 2013 |
| Validation of the Croatian version of work ability index (WAI) in population of nurses on transformed item-specific scores M Smrekar, A Franko, O Petrak, L Zaletel-Kragelj Slovenian Journal of Public Health 59 (2), 57-64, 2020 | 5 | 2020 |
| Komunikacijske vještine u zdravstvu J Despot Lučanin, M Havelka, M Kostović Srzentić, D Lučanin, L Perković, ... Zdravstveno veleučilište. Naklada Slap, 2010 | 5 | 2010 |
| Raširenost dirofilarioze na području unutrašnjosti istarskoga poluotoka D Holler, A Racz, J Bošnir, O Petrak Medica Jadertina 40 (3-4), 67-74, 2010 | 5 | 2010 |
| Kvaliteta starenja-neka obilježja starijeg stanovništva Istre i usporedba s drugim područjima Hrvatske J Despot-Lučanin, D Lučanin, O Petrak Revija socijalne politike 1 (13), 37-51, 2005 | 5 | 2005 |
| Neke metrijske karakteristike skale za procjenu ponašanja učenika u razredu V Vizek-Vidović, V Vlahović-Štetić, O Petrak Hrvatska revija za rehabilitacijska istraživanja 35 (1), 51-62, 1999 | 5 | 1999 |
| Conflict Perception and Emotional Labour in Nursing O Petrak CROATIAN NURSING, 21, 2018 | 4 | 2018 |
| Gender differences in family roles, satisfaction and perception of fairness with regard to the traditionality of gender attitudes A Bartolac, Ž Kamenov, O Petrak Revija za socijalnu politiku 18 (2), 175-194, 2011 | 4 | 2011 |
| Quality of Ageing–Some Characteristics of the Elderly Population of Istria and the Comparison with Other Regions of Croatia O Petrak, J Despot Lučanin, D Lučanin Revija za socijalnu politiku 13 (1), 37-51, 2006 | 4 | 2006 |
| Kinesiophobia in skiers with knee injuries H Jedvaj, D Kiseljak, O Petrak Polish Journal of Sport and Tourism 28 (1), 24-29, 2021 | 3 | 2021 |
| Validation of the Croatian version of the sense of coherence 29-item scale in Croatian nurses M Smrekar, L Zaletel-Kragelj, O Petrak, A Franko Slovenian Journal of Public Health 59 (3), 155-163, 2020 | 3 | 2020 |
| Test za procjenu KOPB-A (CAT) u plućnoj rehabilitaciji–naša iskustva V Smolčić, O Petrak, A Rožman Liječnički vjesnik 138 (11-12), 0-0, 2016 | 3 | 2016 |
| Učinkovitost dekompresijske terapije kralježnice bolesnika s cervikobrahijalnim sindromom L Pavlović, D Kiseljak, O Petrak Journal of Applied Health Sciences= Časopis za primijenjene zdravstvene …, 2015 | 3 | 2015 |
| A one year retrospective study of gastroenteritis outbreaks in Croatia: incidences and etiology G Pajan-Lehpaner, O Petrak Collegium antropologicum 33 (4), 1139-1144, 2009 | 3 | 2009 |
