Perioperative ultrasound screening of lower extremity veins is effective in the prevention of fatal pulmonary embolism in orthopedic patients

H Haoran Li (Zhejiang University , , 866 Yuhangtang Rd , ,) Z Zhi Li N Na Yang (School of Materials and Energy) J Jian Xing (Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University) H Huijun Yuan Z Zhe Song (State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Design and Optimization, and Department of Chemistry) X Xing Wei T Teng Ma Q Qian Wang P Pengfei Wang (Key Laboratory of Photochemical Conversion and Optoelectronic Materials) K Kun Zhang