(Q44062781)
Statements
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Control selection and participation in an ongoing, population-based, case-control study of birth defects: the National Birth Defects Prevention Study (English)
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Jennita Reefhuis
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National Birth Defects Prevention Study
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Gary M Shaw
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Marcia L Feldkamp
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Tunu Ramadhani
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Marlene Anderka
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Alissa R Caton
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Mary E Cogswell
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Rebecca H Bitsko
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Stacey M Hockett Sherlock
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Robert E Meyer
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James M Robbins
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T J Mathews
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Marjorie Royle
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7 September 2009
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Identifiers
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