Validity of a Self-Administered Food Frequency Questionnaire Used in the 5-Year Follow-Up Survey of the JPHC Study Cohort I to Assess Carotenoids and Vitamin C Intake: Comparison With Dietary Records and Blood Level
Journal of Epidemiology - Japan
doi 10.2188/jea.13.1sup_82
Full Text
Open PDFAbstract
Available in full text
Date
January 1, 2003
Authors
Publisher
Japan Epidemiological Association