New York children lack vitamin A.
D001206:Ascorbic Acid Deficiency; D001628:Beverages; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009519:New York City; D009749:Nutrition Surveys; D009751:Nutritional Requirements; D014802:Vitamin A Deficiency / Q000453:epidemiology*