Effect of Lead Nitrate on the Liver of the Cichlid Fish (Oreochromis niloticus): A Light Microscope Study

Bothaina M. Khidr, Imam A.A. Mekkawy, Ahmed S.A. Harabawy and Abdel Salam M.I. Ohaida

Pakistan Journal of Biological Sciences 15 ( 18 ): 854 - 862 , 2012