«Effects of Castration on Epidural Administration of Lidocaine-Tramadol in West African Dwarf (Wad) Goats»., NJPS, т. 34, вып. 2, сс. 141–147, дек. 2019, просмотрено: 21 май 2026 г. [онлайн]. доступно на: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/463