(Q38503066)
Statements
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Reproducibility of oral contraceptive histories and validity of hormone composition reported in a cohort of US women (English)
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D J Hunter
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W C Willett
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G A Colditz
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M J Stampfer
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J E Manson
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F E Speizer
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L Chasan-Taber
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L Troy
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1 December 1997
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56
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6
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373-378
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Identifiers
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