A survey of school meals.
D000293:Adolescent; D002118:Calcium; D002648:Child; D004044:Dietary Proteins / Q000032:analysis; D004739:England; D006801:Humans; D007501:Iron; D009749:Nutrition Surveys; D012572:School Health Services
D004044:Dietary Proteins; D007501:Iron; D002118:Calcium