Gender Differences do not Influence the Blood Coagulopathy in Patients Undergoing Total Knee Arthroplasty: A Retrospective Thromboelastography Analysis oleh Wang-yi Jin MM, Yong Pang MD, Xing-chen Zhang MM, Da-lin Peng MM, Zi-wen Yan MM, Sheng Pan MM, Chao-ran Huang MM, Kai-jin Guo MD, Xin Zheng MD