Development, validity, and reliability of a food frequency questionnaire for antioxidants in elderly Iranian people
Background: The food frequency questionnaire (FFQ), as a way to assess the dietary intake in comparison with other methods, is easier to analyze and takes less time and is less costly. Our aim in this study was to develop and validate an FFQ for estimating the intakes of selected antioxidants in eld...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Wolters Kluwer Medknow Publications
2016-01-01
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Series: | Journal of Research in Medical Sciences |
Subjects: | |
Online Access: | http://www.jmsjournal.net/article.asp?issn=1735-1995;year=2016;volume=21;issue=1;spage=14;epage=14;aulast=Malekahmadi |