The influence of maternal smoking habits on the risk of subsequent stillbirth: is there a causal relation? |
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引用本文: | H?gberg L,Cnattingius S.The influence of maternal smoking habits on the risk of subsequent stillbirth: is there a causal relation?[J].BJOG : an international journal of obstetrics and gynaecology,2007,114(6):699-704. |
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作者姓名: | Högberg L Cnattingius S |
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