umbilicus

1. Skin, umbilicus, respiratory tract were primary route of infection.
皮肤、脐部及呼吸道感染始终是主要的感染途径。

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2. The effect of skin preparation were influenced by deep and shallow of umbilicus.
脐孔深、浅不同会影响皮肤准备效果。

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3. The effect of skin preparation were influenced by deep and shallow of umbilicus.
脐孔深、浅不同会影响皮肤准备效果。

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