Ranje, C Chronic amphetamine treatment: vast individual differences in performing a learned response. [electronic resource] - European journal of pharmacology Dec 1974 - 307-11 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0014-2999 Standard No.: 10.1016/0014-2999(74)90031-4 doi Subjects--Topical Terms: AnimalsDextroamphetamine--pharmacologyDiscrimination, Psychological--drug effectsDrug ToleranceHumansMaleRatsStereotyped Behavior--drug effectsSwimmingTime Factors