Heavy Metal (Lead, Cadmium) and Antibiotic (Tetracycline and Chloramphenicol) Residues in Fresh and Frozen Fish Types (Clarias gariepinus, Oreochromis niloticus) in Ibadan, Oyo State, Nigeria

Adetunji Victoria Olusola, Popoola Amirah Folashade and Odetokun Ismail Ayoade

Pakistan Journal of Biological Sciences 15 ( 18 ): 895 - 899 , 2012