The Effect of Metformin on the Expression of Caspase 3 , 8, 9 and PARP-1 in Human Breast Cancer Cell Line T47D. IJHS [Internet]. 2016 Nov. 1 [cited 2024 May 3];2(2). Available from: https://ijhs.shmu.ac.ir/index.php/ijhs/article/view/124