In order to arouse people's more attention, this article mainly review the endangerment of ETS exposure of pregnant women from the two aspects of recent and forward.
为了唤起人们对孕妇被动吸烟更多的关注，本文主要从近期及远期两方面来综述孕妇被动吸烟的危害。
Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
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