Dietary assessment in Whitehall II: comparison of 7 d diet diary and food-frequency questionnaire and validity against biomarkers
Publisher: Cambridge University Press
E-ISSN: 1475-2662|86|3|405-414
ISSN: 0007-1145
Source: British Journal of Nutrition, Vol.86, Iss.3, 2001-09, pp. : 405-414
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Abstract