“Ethanol Leaf Extract of Cyathula Prostrata Enhances Spermatogenesis in Wistar Rats Via Expression of AKAP4, DAZL and PRM2: doi.org 10.26538 Tjnpr V5i7.24”. Tropical Journal of Natural Product Research , vol. 5, no. 7, July 2021, pp. 1309-14, https://www.tjnpr.org/index.php/home/article/view/542.