Authors
D.Smiljana Paraš
Faculty of Natural Sciences and Mathematics, Department of Biology, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
B. Radoslav Gajanin
Faculty of Medicine, Department of Pathology, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
Lj. Maja Manojlović
Faculty of Natural Sciences and Mathematics, Department of Biology, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
Nj. Zoran Ružić
Faculty of Agriculture, Department of Veterinary, University of Novi Sad, Novi Sad, Serbia