title: Letter: Benztropine in childhood hyperkinesis.
mesh_terms: D000293:Adolescent; D001590:Benztropine / Q000627:therapeutic use; D002648:Child; D002746:Chlorpromazine / Q000627:therapeutic use; D006801:Humans; D006948:Hyperkinesis / Q000188:drug therapy*; D008297:Male; D008774:Methylphenidate / Q000627:therapeutic use; D014326:Tropanes / Q000627:therapeutic use*
chemical_list: D014326:Tropanes; D001590:Benztropine; D008774:Methylphenidate; D002746:Chlorpromazine