Al-Rubaeꞌi, S.H.N. , Al-Kazazz, F.F. , Jawad, A.M., Sholi, M.H., Mouhson, L.M., Mohammad, A.A. and Sied, A.H. 2021. Characterization for Types and Percents of Polycyclic Aromatic Hydrocarbons in Sera of Workers at Fuels Stations at Baghdad. Journal of Petroleum Research and Studies. 11, 1 (Mar. 2021), 124-136. DOI:https://doi.org/10.52716/jprs.v11i1.433.