D. Alshamaa, S., M. M. Isaam, and R. Z. Shaker. “Partial Purification of Exfoliative Toxin of Stuphylococcus Aureus Isolated from Skin Infections”. Journal of Education and Science (JES), vol. 19, no. 3, Aug. 2019, pp. 51-58, doi:10.33899/edusj.2019.162871.