Vasiľ, M. .; Zigo, F. .; Elečko, J. .; Zigová, M. .; Farkašová, Z. . Effect of Peroral Supplementation With Selenium and Vitamin E During Late Pregnancy on Udder Health and Milk Quality in Dairy Cows. Potr. S. J. F. Sci. 2017, 11, 535-538.