Stybel, V., and O. Prijma. “Morphometric Characteristics of Embryonic Development Heterakis Dispar Isolated from Geese”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences 21, no. 96 (December 14, 2019): 198-201. Accessed May 25, 2020. https://nvlvet.com.ua/index.php/journal/article/view/3884.