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Summary The measurement of the dietary intake of individuals is one of the prime requisites of the nutritional sciences. However, considerable care is needed in the use of various methods for assessing dietary intake in order to avoid the substantial errors that can be introduced. The sources and magnitude of errors associated with each stage of dietary assessment are reviewed and their implications for the testing of hypotheses concerning diet and disease in free living individuals is discussed.
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Sheila Bingham (1985) studied this question.
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