Potential role of serum hypoxia-inducible factor 1alpha as a biomarker of delayed cerebral ischemia and poor clinical outcome after human aneurysmal subarachnoid hemorrhage: A pros... oleh Ye-Yan Cai, Yao-Kun Zhuang, Wen-Jian Wang, Feng Jiang, Jie-Miao Hu, Xiao-Le Zhang, Li-Xin Zhang, Xiao-Hui Lou