KANDIEL, Mohamed M.M.; EL SHAFEY, Anwar A. Ultrasonographic Appearance and Echo-pattern Characterization of Donkeys’ Internal Reproductive Organs. Journal of Advanced Veterinary Research, [S. l.], v. 7, n. 2, p. 39–46, 2017. Disponível em: https://advetresearch.com/index.php/AVR/article/view/58. Acesso em: 12 sep. 2026.