Mohammed, H. R. H., A. H. M. El Bolok, S. F. Elgayar, and M. I. A. Sholqamy. “Evaluation the Effect of Natural Compounds: Vitamin C, Green Tea, and Their Combination on Progression of Mg-63 Osteosarcoma Cell Line Cells. (An In Vitro Study)”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. A, Dec. 2021, pp. 1277-84, doi:10.3889/oamjms.2021.7894.