“Effects of Castration on Epidural Administration of Lidocaine-Tramadol in West African Dwarf (Wad) Goats”. Nigerian Journal of Physiological Sciences, vol. 34, no. 2, दिसम्बर, 2019, पृ. 141-7, https://ojshostng.com/index.php/njphysiologicalsciences/article/view/463.