Objective: In the clinical practice, visceral proteins are used as indirect markers of protein energy malnutrition (PEM), but their reliability could be reduced with advancing age.

目的：临床实践中内脏蛋白常作为蛋白质能量营养不良症（PEM）的间接指标，但该指标的可信度随着年龄增加而降低。

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Objective To investigate the changes of pancreatic endocrine function in children with protein-energy malnutrition (PEM).

目的研究单纯性营养不良(pem)患儿胰腺内分泌功能的变化。

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