«Age Related Histology and Immunohistochemistry of Some Intermediate Filaments in the Testis of the African Catfish (Clarias Gariepinus)» (2019) Nigerian Journal of Physiological Sciences, 34(2), or. 121–124. Available at: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/456 (Eskuratua: 25 apirila 2026).