Vitamin D3 improved hypoxia-induced lung injury by inhibiting the complement and coagulation cascade and autophagy pathway oleh Chongyang Dai, Xue Lin, Yinglian Qi, Yaxuan Wang, Zhongkui Lv, Fubang Zhao, Zhangchang Deng, Xiaokai Feng, Tongzuo Zhang, Xiaoyan Pu