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Title
A review of food frequency questionnaires developed and validated in Japan.
Authors
Wakai, Kenji
Abstract
The food frequency questionnaire (FFQ) has been used throughout the world for epidemiological purposes. Because dietary habits vary greatly, the FFQ must be tailored for use with specific populations. The usefulness of FFQs in Japan was assessed by reviewing questionnaires developed and validated in that country.
Publication
Journal of epidemiology, 2009, Vol 19, Issue 1, p1