Borovec, O. V., E. M. Reshetnik, S. P. Veselsky, and M. Y. Makarchuk. “Lipid Ratio in the Bile of Male Rats under the Influence of Estrone”. Cherkasy University Bulletin: Biological Sciences Series, no. 2, Jan. 2017, pp. 14-20, https://bio-ejournal.cdu.edu.ua/article/view/1205.