Reproducibility and validity of a food frequency questionnaire among pregnant women in a Mediterranean area
<p>Abstract</p> <p>Background</p> <p>Studies exploring the role of diet during pregnancy are still scarce, in part due to the complexity of measuring diet and to the lack of valid instruments. The aim of this study was to examine the reproducibility and validity (agains...
Main Authors: | , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2013-02-01
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Series: | Nutrition Journal |
Subjects: | |
Online Access: | http://www.nutritionj.com/content/12/1/26 |