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Using food frequency questionnaires to estimate fruit and vegetable intake: Association between the number of questions and total intakes

Food ChoiceNutritionVegetable IntakeFood Frequency QuestionnairesNutritional EpidemiologyHealth SciencesDiet QualityNutrition LiteracyPublic Health NutritionAgricultural EconomicsPublic HealthFood QualityDietary HealthTotal IntakesNutrition Assessment