Evaluation of Antagonistic Effects of Metformin with Cisplatin in Gastric Cancer Cells - Lesan, Vahid; Ghaffari, Seyed; Salaramoli, Jamile; Heidari, Mansour; Rostami, Masoumeh; Alimoghaddam, Kamran; Ghavamzadeh, Ardeshir (International Journal of Hematology-Oncology and Stem Cell Research)