At the initial operation stage after the quality system is established.

质量体系建立后的运转初期。

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This was revised with another dynamic hip screw 2 weeks after initial operation.

初次手术2周后患者接受了翻修手术。

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This was revised with another dynamic hip screw 2 weeks after initial operation.

初次手术2周后患者接受了翻修手术。

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