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Effects of Different Designs and Extension of a Food Frequency Questionnaire on Response Rate, Completeness of Data and Food Frequency Responses
KUSKOWSKA-WOLK, A, HOLTE, S, OHLANDER, E-M, BRUCE, Å, HOLMBERG, L, ADAMI, H-O, BERGSTROM, AVolume:
21
Year:
1992
Language:
english
Journal:
International Journal of Epidemiology
DOI:
10.1093/ije/21.6.1144
File:
PDF, 464 KB
english, 1992