Research Article
Histological Changes in the Gills of Oreochroms niloticus Exposed to Promethazine Hydrochloride
Department of Fisheries and Wildlife, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria
M.O. Olufayo
Department of Fisheries and Wildlife, Federal University of Technology, P.M.B. 704, Akure, Ondo State, Nigeria