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Self-Administered Semiquantitative Food Frequency Questionnaires: Patterns, Predictors, and Interpretation of Omitted Items
Karin B. Michels and Walter C. WillettVolume:
20
Language:
english
Journal:
Epidemiology
DOI:
10.2307/20485703
Date:
March, 2009
File:
PDF, 1.18 MB
english, 2009