Is bacterial vaginosis a stronger risk factor for preterm birth when it is diagnosed earlier in gestation? |
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作者姓名: | Klebanoff MA,Hillier SL,Nugent RP,MacPherson CA,Hauth JC,Carey JC,Harper M,Wapner RJ,Trout W,Moawad A,Leveno KJ,Miodovnik M,Sibai BM,Vandorsten JP,Dombrowski MP,O'Sullivan MJ,Varner M,Langer O National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network |
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摘 要: |
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收稿时间: | 2004-04-06 |
修稿时间: | 2004-06-17 |
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