Nwafor, Paul A., Emem Ekpo, Enobong E. Udofia, and Mandu E. Smith. “Effects of Methanol Extract of <em>Piper umbellatum</Em> Leaves on Contraceptive and Sexual Behaviour in Rodents”. Nigerian Journal of Pharmaceutical and Applied Science Research 1, no. 2 (July 1, 2012): 1–14. Accessed November 21, 2024. https://nijophasr.net/index.php/nijophasr/article/view/20.