The traditional skin preservation and sterilization methods were adopted in the control group, and partial shaving around incision and sterilization were applied in the improvement group.

对照组采取传统备皮范围及消毒方法；改进组采取切口周围小范围剃发的备皮范围及消毒方法。

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The traditional skin preservation and sterilization methods were adopted in the control group, and partial shaving around incision and sterilization were applied in the improvement group.

对照组采取传统备皮范围及消毒方法；改进组采取切口周围小范围剃发的备皮范围及消毒方法。

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