Загрузка...
Validity of a self-administered food frequency questionnaire (FFQ) and its generalizability to the estimation of dietary folate intake in Japan
BACKGROUND: In an epidemiological study, it is essential to test the validity of the food frequency questionnaire (FFQ) for its ability to estimate dietary intake. The objectives of our study were to 1) validate a FFQ for estimating folate intake, and to identify the foods that contribute to inter-i...
Сохранить в:
| Главные авторы: | , , , , |
|---|---|
| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
BioMed Central
2005
|
| Предметы: | |
| Online-ссылка: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1277847/ https://ncbi.nlm.nih.gov/pubmed/16202175 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1475-2891-4-26 |
| Метки: |
Добавить метку
Нет меток, Требуется 1-ая метка записи!
|