Yacoub, A. M.; Mahmoud, S. A.; Abdel-Satar, A. M. Accumulation of Heavy Metals in Tilapia Fish Species and Related Histopathological Changes in Muscles, Gills and Liver of Oreochromis Niloticus Occurring in the Area of Qahr El-Bahr, Lake Al-Manzalah, Egypt. OandHS 2021, 50, 1-15.