Cargando…
Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study
BACKGROUND: Food frequency questionnaires (FFQs) have been validated in pregnant women, but few studies have focused specifically on low-income women and minorities. The purpose of this study was to examine the validity of the Harvard Service FFQ (HSFFQ) among low-income American Indian and Caucasia...
Autores principales: | , , , , , , |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2005
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1361787/ https://www.ncbi.nlm.nih.gov/pubmed/16356183 http://dx.doi.org/10.1186/1471-2458-5-135 |