Shcherbatyy, A.R., L.G. Slivinska, and B.O. Lukashchuk. “Hypocobaltosis and Hypocuprosis in Pregnant Mares in the Western Biogeochemical Zone of Ukraine (distribution, Diagnosis)”. Ukrainian Journal of Veterinary and Agricultural Sciences 1, no. 2 (November 4, 2018): 11-14. Accessed August 25, 2019. https://ujvas.com.ua/index.php/journal/article/view/8.