Observations on the reliability and validity of the design and diet history method in the Melbourne Colorectal Cancer Study.

Abstract

The paper is a description of, and a practical guide to, the questions, problems, and pitfalls that can arise in the planning and execution of a large-scale epidemiological study of diet and disease; this study was an eight-year project in which diet histories were collected from over 2,000 people. Qualified dietitians obtained a quantitative diet history… (More)

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