F. Abed M, M. Ali S, S. Altawash B. Health Risk Assessment of Polycyclic Aromatic Hydrocarbons in Surface Soils at North Baiji City, Iraq. Iraqi Journal of Science. 2023;56(4A):2927-2938. Accessed December 8, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9529