title: Sustained attention in boys with attention deficit disorder and the effect of methylphenidate.
mesh_terms: D001288:Attention / Q000187:drug effects; D001289:Attention Deficit Disorder with Hyperactivity / Q000188:drug therapy / Q000523:psychology*; D002648:Child; D004341:Drug Evaluation; D006801:Humans; D008297:Male; D008774:Methylphenidate / Q000627:therapeutic use*; D011581:Psychological Tests
chemical_list: D008774:Methylphenidate