“Spermatogenic Efficacy of Pausinystalia yohimbe (K. Schum.) Pierre ex Beille Roots in Male Rats” (2020) Journal of Infertility and Reproductive Biology, 8(2), pp. 9–17. Available at: https://doormaj.com/index.php/jirb/article/view/133 (Accessed: 4 February 2026).