Inhibition of breast cancer cell growth by methyl pyropheophenylchlorin photodynamic therapy is mediated though endoplasmic reticulum stress‐induced autophagy in vitro and vivo oleh Jiang Zhu, Si Tian, Kai‐Ting Li, Qing Chen, Yuan Jiang, Hai‐Dan Lin, Le‐Hua Yu, Ding‐Qun Bai