[Cobalt and copper content in food rations of boarding school students].
D003035:Cobalt; D003300:Copper; D004032:Diet; D005502:Food; D006801:Humans; D015596:Nutrition Assessment; D012572:School Health Services; D013334:Students
D003035:Cobalt; D003300:Copper
COBALT/nutrition and diet; COPPER/nutrition and diet; SCHOOL HEALTH/nutrition and diet