(Q46922800)
Statements
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Probability samples of area births versus clinic populations for reproductive epidemiology studies (English)
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Anna Maria Siega-Riz
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Amy H Herring
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Nancy Dole
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David A Savitz
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Jay Kaufman
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Diane Kaczor
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John M Thorp
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1 July 2005
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19
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4
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315-322
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