Ivana, Davidov, Erdeljan Mihajlo, Radinović Miodrag, Stančić Ivan, and Kovačević Zorana. 2013. “BLOOD SELENIUM CONCENTRATION AFFECT MASTITIS AND MILK QUALITY IN DAIRY COWS”. Journal of Microbiology, Biotechnology and Food Sciences 2 (special issue 2):1147-54. https://office2.jmbfs.org/index.php/JMBFS/article/view/7436.