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Article

Validity of food frequency questionnaire estimated intakes of folate and other B vitamins in a region without folic acid fortification.

European journal of clinical nutrition - 1 Aug 2010

Johansson I, Van Guelpen B, Hultdin J, Johansson M, Hallmans G, Stattin P

Abstract excerpt

BACKGROUND/OBJECTIVES: B vitamins have been implicated in major chronic diseases but results have been inconsistent. This study evaluated the accuracy of dietary intakes of folate, vitamin B12, riboflavin and vitamin B6 as measured by the Northern Sweden Food Frequency Questionnaire (FFQ) against repeated 24-h recalls (24HR) and plasma levels, taking into consideration the MTHFR 677C>T polymorphism....

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 20502473
DOI: 10.1038/ejcn.2010.80

Genes

MTHFR

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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