Kolodziejczyk, Julia K Reliability and validity of child/adolescent food frequency questionnaires that assess foods and/or food groups. [electronic resource] - Journal of pediatric gastroenterology and nutrition Jul 2012 - 4-13 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1536-4801 Standard No.: 10.1097/MPG.0b013e318251550e doi Subjects--Topical Terms: AdolescentChildDietFoodHumansNutrition SurveysReproducibility of ResultsSurveys and Questionnaires--standards