Henkel, R., W. Fransman, U. Hipler, and G. Schreiber. 2009. “TYPHA CAPENSIS EXTRACTS DECREASE ROS PRODUCTION AND AFFECT HUMAN SPERM FUNCTIONS”. African Journal of Traditional, Complementary and Alternative Medicines 6 (May):438-39. https://journals.athmsi.org/index.php/ajtcam/article/view/859.