Looker, A C Comparison of dietary intakes and iron status of vitamin-mineral supplement users and nonusers, aged 1-19 years. [electronic resource] - The American journal of clinical nutrition Oct 1987 - 665-72 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9165 Standard No.: 10.1093/ajcn/46.4.665 doi Subjects--Topical Terms: AdolescentAdultChildChild Nutritional Physiological PhenomenaChild, PreschoolDietFemaleFood, FortifiedHumansInfantIron--bloodMinerals--administration & dosageNutrition SurveysVitamins--administration & dosage