F. . Zigo, M. . Vasiľ, J. . Elečko, M. . Zigová, and Z. . Farkašová, “Mastitis pathogens and their resistance against antimicrobial agents in herds of dairy cows situated in marginal parts of Slovakia”, Potr. S. J. F. Sci., vol. 12, no. 1, pp. 285–291, Mar. 2018.