Comparison of duplicate portion and 24 h recall as reference methods for validating a FFQ using urinary markers as the estimate of true intake

Publisher: Cambridge University Press

E-ISSN: 1475-2662|114|8|1304-1312

ISSN: 0007-1145

Source: British Journal of Nutrition, Vol.114, Iss.8, 2015-08, pp. : 1304-1312

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Abstract