Baseline Serum Estradiol Level Is Associated with Acute Kidney Injury in Patients with Moderately Severe and Severe Acute Pancreatitis oleh Jia-Jia Pan, Wei-Li Liu, Guo-Tao Lu, Xing-Jie Ma, Qing-Bin Zheng, Guang-Fa Wei, Ge-Yan Tian, Li-Jun Meng