Authors
Helena Maric
University hospital Foca, Republic of Srpska
Vladimir Cancar
University hospital Foca, Republic of Srpska
Dragana Nikolic
Medical Faculty of Foca, University of East Sarajevo, Republic of Srpska
Radislavka Lecic
University hospital Foca, Republic of Srpska
Milan Arsenovic
Health Center Bijeljina, Republic of Srpska