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huan jing yin su yu you sheng ( xia )
Author(s): 
Pages: 20-22
Year: Issue:  7
Journal: Environmental Protection

Keyword:  出生缺陷发生率先天性心脏病环境因素中枢神经系统甲基汞中毒畸形发生率孕妇婴儿大气污染新生儿;
Abstract: 本文论述了四个问题,前两个问题是:(一)形响优生的遗传因素和环境因素;(二)环境因素中有害物质对胚胎发育过程的影响.下面是本文的第三、四两问题.
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