The rationale for case-control methodology in epidemiological studies of cancer risk (response to Speirs et al., 1990)
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Environmental Epidemiology Branch, DCE, NCI, NIH, Bethesda, Maryland 20892.
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D016022:Case-Control Studies; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology*; D012307:Risk Factors