USMAN, Hamidu, and Jabir Chukwuemeka Osuji. 2007. “PHYTOCHEMICAL AND IN VITRO ANTIMICROBIAL ASSAY OF THE LEAF EXTRACT OF NEWBOULDIA LAEVIS”. African Journal of Traditional, Complementary and Alternative Medicines 4 (4):476 -. https://athmsi.org/journals/index.php/ajtcam/article/view/209.