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