ANTIULCER ACTIVITY OF AQUEOUS EXTRACT OF FRESH LEAF OF BRASSICA OLERACEAE LINN. VAR. ACEPHALA (D.C) ALEF) (BRASSICACEAE) Journal title: International Research Journal of Pharmacy (IRJP) Authors: Agbaje , Oluwatoyin Esther , Okpara , Sonia Chioma Subject(s):