Nwafor, P. A., Ekpo, E. ., Udofia, E. E. ., & Smith, M. E. . (2012). 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(2), 1–14. Retrieved from https://nijophasr.net/index.php/nijophasr/article/view/20