Zarei, Ehsan, Youssof Sefidi-Heris, and Iraj Saadat. “Synergistic Effects of Metformin and Curcumin on Cytotoxicity of Chemotherapy Drugs Using a Gastric Cancer Cell Line Model”. EXCLI Journal 20 (October 11, 2021): 1488-1498. Accessed October 26, 2021. https://www.excli.de/index.php/excli/article/view/4091.