J. Bickii, G. R. F. Tchouya, J. C. Tchouankeu, and E. Tsamo, “THE ANTIPLASMODIAL AGENTS OF THE STEM BARK OF ENTANDROPHRAGMA ANGOLENSE (MELIACEAE)”, Afr J Tradit Complement Altern Med, vol. 4, no. 2, pp. 135–139, Nov. 2006.