Elia, J Classroom academic performance: improvement with both methylphenidate and dextroamphetamine in ADHD boys. [electronic resource] - Journal of child psychology and psychiatry, and allied disciplines Jul 1993 - 785-804 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article ISSN: 0021-9630 Standard No.: 10.1111/j.1469-7610.1993.tb01071.x doi Subjects--Topical Terms: AchievementAdolescentAttention Deficit Disorder with Hyperactivity--drug therapyChildDextroamphetamine--administration & dosageDose-Response Relationship, DrugDouble-Blind MethodHumansMaleMethylphenidate--administration & dosagePlacebosStudents