Kyahar I. F; Ogaji J. I. Bioassay-Guided Fractionation of Hunteria Umbellata (K.Schum.) Hallier F. Root Reveals Selective Antiplasmodial Activity Against Chloroquine-Sensitive and Multidrug-Resistant Plasmodium Falciparum. IJPRT 2026, 16, 6002-6019.