Ismail, T. F., G. O. Othman, N. H. Othman, and B. A. Hassan. “Study the Effects of Formaldehyde and Xylene Vapor on Lung and Testicular Tissue With Sperm Morphology of Adult Albino Rats”. Polytechnic Journal, vol. 11, no. 1, June 2021, pp. 46-51, doi:10.25156/ptj.v11n1y2021.pp46-51.