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Comparison of Food-Frequency and 24-Hour-Recall Instruments for Estimating Vitamin A Intake
Portocarrero, Lilian, de Serrano, Julieta Quan, Lopez, Carmen Yolanda, de Zepeda, Elien, Bulux, Alejandrina Vasquez Jesus, Solomons, Noel W.Volume:
13
Journal:
Food and Nutrition Bulletin
DOI:
10.1177/156482659101300407
Date:
December, 1991
File:
PDF, 293 KB
1991