Approaches for conducting large cohort studies.
Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.
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WC
Willett
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Colditz
D015415:Biomarkers; D015331:Cohort Studies; D003625:Data Collection; D004781:Environmental Exposure; D005500:Follow-Up Studies; D006801:Humans; D012107:Research Design; D012307:Risk Factors; D014481:United States
D015415:Biomarkers