Developed and validated food frequency questionnaires in Iran: A systematic literature review
Background: Food frequency questionnaires (FFQs) are inexpensive, easy to administer, and practical tools for dietary assessment in epidemiological studies. Several studies have investigated the validity and reproducibility of FFQs for the Iranian population. This systematic review aimed to assess t...
Main Authors: | , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Wolters Kluwer Medknow Publications
2021-01-01
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Series: | Journal of Research in Medical Sciences |
Subjects: | |
Online Access: | http://www.jmsjournal.net/article.asp?issn=1735-1995;year=2021;volume=26;issue=1;spage=50;epage=50;aulast=Ayoubi |