H. Usman, F. I. Abdulrahman, and A. Usman, “QUALITATIVE PHYTOCHEMICAL SCREENING AND IN VITRO ANTIMICROBIAL EFFECTS OF METHANOL STEM BARK EXTRACT OF FICUS THONNINGII (MORACEAE)”, Afr J Tradit Complement Altern Med, vol. 6, no. 3, pp. 289–295, Apr. 2009.