Background Abductor mechanism insufficiency after total hip arthroplasty is a rare but debilitating problem.

背景全髋关节置换术后外展肌无力是个罕见但易导致功能不佳的问题。

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Background Abductor mechanism insufficiency after total hip arthroplasty is a rare but debilitating problem.

背景全髋关节置换术后外展肌无力是个罕见但易导致功能不佳的问题。

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