目的探讨生长迟缓儿血铅水平现状及其相关的影响因素。

Objective To investigate the current status and affected ingredients of the blood lead level in delayed growth infants.

youdao

目的探讨生长迟缓儿血铅水平现状及其相关的影响因素。

Objective To investigate the current status and affected ingredients of the blood lead level in delayed growth infants.

youdao