Tata, Charlotte, M, Gwebu, Ephraim, T, Olukayode O Aremu, Nkeh-Chungag, Benedicta, N, Oyedeji, Adebola, O, Oyedeji, Opeopluwa, O, Sewani-Rusike, Constance, R. Pharmacotherapy Group,Faculty of Pharmacy, University of Benin,Benin City, 300001 Nigeria.; June. Acute toxicity study and prevention of Nω-nitro-L-arginine methyl ester-induced hypertension by Osteopermum imbricatum.