Reproducibility and validity of a food frequency questionnaire among fourth to seventh grade inner-city school children: implications of age and day-to-day variation in dietary intake. (Q39519391)
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scientific article published on September 1999
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reproducibility and validity of a food frequency questionnaire among fourth to seventh grade inner-city school children: implications of age and day-to-day variation in dietary intake. |
scientific article published on September 1999 |
Statements
Reproducibility and validity of a food frequency questionnaire among fourth to seventh grade inner-city school children: implications of age and day-to-day variation in dietary intake (English)
G A Colditz
A E Field
K E Peterson
S L Gortmaker
L Cheung
1 September 1999