Comparative Validation of the Block, Willett, and National Cancer Institute Food Frequency Questionnaires : The Eating at America's Table Study
Subar, A. F., Thompson, F. E., Kipnis, V., Midthune, D., Hurwitz, P., McNutt, S., McIntosh, A., Rosenfeld, S.Volume:
154
Language:
english
Journal:
American Journal of Epidemiology
DOI:
10.1093/aje/154.12.1089
Date:
December, 2001
File:
PDF, 91 KB
english, 2001