Behavioural disorders are overdiagnosed in US.
Roberts
J
J
D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis* / Q000188:drug therapy; D000697:Central Nervous System Stimulants / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008774:Methylphenidate / Q000627:therapeutic use; D014481:United States
D000697:Central Nervous System Stimulants; D008774:Methylphenidate