Toxicity and Anti-Trypanosomal Studies of Aqueous and Methanol Leaf Extracts of Acacia Nilotica on Trypanosoma Brucei-Induced Infection in Mice Journal title: International Journal Of Ayurvedic And Herbal Medicine Authors: Shehu M.M , Vantsawa, P.A. , Appah, J. , Dan, V.M.Y. , Muhammad J. , Bello N.K. , Abubakar N. , Subject(s): Medicine