Brains and vitamins.
D000293:Adolescent; D002648:Child; D004334:Drug Administration Schedule; D005069:Evaluation Studies as Topic; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D007361:Intelligence Tests / Q000379:methods; D008903:Minerals / Q000008:administration & dosage / Q000494:pharmacology*; D014815:Vitamins / Q000008:administration & dosage / Q000494:pharmacology*
D008903:Minerals; D014815:Vitamins