Accumulation and Distribution of Copper and Zinc in Both Water and Some Vital Tissues of Two Fish Species (Tilapia zillii and Mugil cephalus) of Lake Qarun, Fayoum Province, Egypt

Mohammad M. N. Authman and Hossam H.H. Abbas

Pakistan Journal of Biological Sciences 10 ( 13 ): 2106 - 2122 , 2007