目的探讨人工髋关节置换术（THR）后用低分子肝素预防下肢深静脉血栓（DVT）形成的疗效和安全性。

Objective To evaluate the efficacy and safety of low-molecular-weight heparin(LMWH) in preventing for deep-vein thrombosis (DVT) after total hip replace(THR).

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目的：探讨人工全髋关节置换术对红细胞免疫功能的影响。

Objective:To study the change of RBC immune after total hip replacement.

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目的：探讨人工全髋关节置换术对红细胞免疫功能的影响。

Objective:To study the change of RBC immune after total hip replacement.

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