The influence of smoking on maternal ser
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Kevin Spencer
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Article
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1998
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John Wiley and Sons
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English
โ 72 KB
๐ 3 views
I have studied the impact of maternal smoking on the levels of maternal serum alpha-fetoprotein (AFP) and free beta human chorionic gonadotrophin (hCG) during the second trimester in a large series (30 727) of self-reported smokers and non-smokers whose pregnancy resulted in the birth of a normal fe