Risk Factors for Hypocoagulability After Cardiac Surgery: A Retrospective Study oleh Xuejie Li MD, Ruiyu Wang MD, Dawei Sun MD, PhD, Yuanyuan Yao MD, PhD, Tingting Wang MD, PhD, Ge Luo MD, Mingxia Liu MD, Jingpin Xu MD, Zhenzhen Cheng MD, PhD, Qi Gao MD, Ying Wang MD, Chaomin Wu MD, Guangxin Xu MD, Tao Lv MD, Jingcheng Zou MD, Min Yan MD, PhD