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Validity and reproducibility of the NORBAGREEN food frequency questionnaire
Petkeviciene, J, Similä, M, Becker, W, Kriaucioniene, V, Valsta, L MVolume:
63
Year:
2007
Language:
english
Pages:
9
DOI:
10.1038/sj.ejcn.1602893
File:
PDF, 125 KB
english, 2007