Endoplasmic Reticulum Stress Induces HRD1 to Protect Alveolar Type II Epithelial Cells from Apoptosis Induced by Cigarette Smoke Extract oleh Shuang-xiang Tan, Di-xuan Jiang, Rui-cheng Hu, Ai-guo Dai, Gui- xiang Gan, Dai-yan Fu, Chun-chu Kong, Yun-rong Chen, Li-Le Wang, Jie Li