Objective To investigate the prevention and care methods of the deep venous thrombosis (DVT) after the major orthopedic surgery of lower extremity.

目的探讨骨科大手术后下肢深静脉血栓形成(DVT)的预防措施及护理方法。

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After her crash at the world championships Tuesday, Vonn has been scheduled for major orthopedic surgery.

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