Validity and reproducibility of a foodfrequency questionnaire for estimating the intake of retinol, B-carotene and total vitamin A.

Y.H. Blauw, A.M. van der Giezen, A.M. Stiggelbout, E. Blok, W.A. van Staveren, C.E. West

Research output: Chapter in Book/Report/Conference proceedingAbstract

Original languageEnglish
Title of host publicationAbstract 10eme Congr. Int. Dietetique, Paris
Publication statusPublished - 1988

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