This article reviewed the regulation of parenteral nutrition (PN) and en to immunity and the application of immune enhanced nutrition.

作者就肠外营养(PN)和EN对于免疫的调节作用以及免疫增强营养的应用作一综述。

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Methods:19 cases were collected and divided randomly into early enteral nutrition group(EN) and parenteral nutrition group(PN).

方法：临床烧伤病人19 例，随机分为早期肠道营养组（EN）和胃肠外营养组（PN）。

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Objective To investigate the safety and efficacy of the combined use of enteral nutrition(EN)and parenteral nutrition(PN)in severe acute pancreatitis(SAP).

目的评价经鼻空肠内营养支持在重症急性胰腺炎（SAP）治疗中应用的安全性和有效性。

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