The NICHD Women's Contraceptive and Reproductive Experiences Study: Methods and Operational Results
PURPOSE: This paper presents methods and operational results of a population-based case-control study examining the effects of oral contraceptive use on breast cancer risk among white and black women aged 35–64 years in five U.S. locations. METHODS: Cases were women newly diagnosed with breast cance...
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Veröffentlicht in: | Annals of epidemiology 2002-05, Vol.12 (4), p.213-221 |
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Sprache: | eng |
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