Leishmanicidal and cholinesterase inhibiting activities of phenolic compounds from Allanblackia monticola and Symphonia globulifera - Lenta, B N; Vonthron-Sénécheau, C; Weniger, B; Devkota, K P; Ngoupayo, J; Kaiser, M; Naz, Q; Choudhary, M I; Tsamo, E; Sewald, N (Molecules, 2007)