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July 1993 - Volume 4 - Issue 4
pp: 281-386

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The Accuracy of Parental Reports of Their Children's Intake of Fruits and Vegetables: Validation of a Food Frequency Questionnaire with Serum Levels of Carotenoids and Vitamins C, A, and E

Byers, Tim; Treiber, Frank; Gunter, Elaine; More

Epidemiology. 4(4):350-355, July 1993.



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