肠外营养是一种常见而复杂的实体。

PN is a common but complex entity.

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肠外营养可通过周围静脉或中心静脉给予。

Parenteral nutrition can be given either by peripheral or central vein.

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肠外营养可通过周围静脉或中心静脉给予。

Parenteral nutrition can be given either by peripheral or central vein.

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