Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study
<p>Abstract</p> <p>Background</p> <p>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 FF...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2005-12-01
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| Series: | BMC Public Health |
| Online Access: | http://www.biomedcentral.com/1471-2458/5/135 |