Comparison of rivaroxaban and parnaparin for preventing venous thromboembolism after lumbar spine surgery


1 Department of Spine Surgery, Yantaishan Hospital, Yantai 264000, China

2 Department of Orthopedic Surgery, Qilu Hospital of Shandong University, No. 107 Wenhuaxi Road, Jinan 250012, China

3 Department of Hematology, Yantaishan Hospital, Yantai 264000, China

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