Donev Doncho M, Masic Izet, Begic Edin
Institute of Social Medicine, Faculty of Medicine, University "Ss Cyril and Methodius" Skopje, Republic of Macedonia.
Faculty of Medicine, University of Sarajevo, Sarajevo, Bosnia and Herzegovina.
Mater Sociomed. 2017 Dec;29(4):228-230. doi: 10.5455/msm.2017.29.228-230.