“Effects of Castration on Epidural Administration of Lidocaine-Tramadol in West African Dwarf (Wad) Goats”. (2019) Nigerian Journal of Physiological Sciences, 34(2), s. 141–147. Tilgængelig hos: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/463 (Set: 5 april 2026).