Steinhausen, H C Learning in hyperactive children: are there stimulant-related and state-dependent effects? [electronic resource] - Psychopharmacology 1981 - 389-90 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0033-3158 Standard No.: 10.1007/BF00432754 doi Subjects--Topical Terms: Attention Deficit Disorder with Hyperactivity--drug therapyChildCognitionDouble-Blind MethodFemaleHumansLearning--drug effectsMaleMethylphenidatePlacebos