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  1. Article

    Open Access

    Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study

    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 o...

    Heather J Baer, Robin E Blum, Helaine RH Rockett, Jill Leppert… in BMC Public Health (2005)

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