Some anatomical and histological studies on the placenta of goats in Dhamar, Yemen . Yemeni Journal of Agriculture & Veterinary Sciences, [S. l.], v. 1, n. 1, 2021. DOI: 10.70022/yjavs.v1i1.14. Disponível em: https://journal.tu.edu.ye/index.php/yjavs/article/view/14. Acesso em: 24 apr. 2026.