„Effects of Castration on Epidural Administration of Lidocaine-Tramadol in West African Dwarf (Wad) Goats”., NJPS, vol. 34, nr. 2, pp. 141–147, dec. 2019, Data accesării: 5 aprilie 2026. [Online]. Disponibil la: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/463