Afifi, D. M.; Abdel-Rahman, A. H.; El-Ghani, S. F. A. Apoptotic Effect of Crude Scorpion Venom on Head and Neck Squamous Cell Carcinoma Cell Line Versus Normal Human Epithelial Cell Line: In-Vitro Study. Int. J. of Health Sci. 2022, 6, 8686-8699.