Published in Cancer Weekly, August 5th, 2003
Results of studies in which biological markers have been used as the reference method for assessment of dietary intake for selected nutrients suggest that the degree of error associated with food-frequency questionnaires (FFQs) is considerably larger than previously estimated. This could explain the lack of an association between increased fat intake and breast cancer in population studies.
Sheila Bingham from the MRC Dunn Human...
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