Mansoor, Nahla, Inam Falih, and Mustafa Jalil. 2022. “Histopathological Effect of Petroleum Hydrocarbons in Some Internal Organ Tissues of the Common Carp (Cyprinus Carpio L. 1758) in Tigris River- Baghdad City”. Journal of Biotechnology Research Center (JOBRC) 15 (2):112-17. https://doi.org/10.24126/jobrc.2021.15.2.617.