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Naltrexone pretreatment decreases the reinforcing effectiveness of ethanol and saccharin but not PCP or food under concurrent progressive-ratio schedules in rhesus monkeys

Substance AbuseConcurrent Progressive-ratio SchedulesPsychoactive DrugBehavioral NeuroscienceAddictionRhesus MonkeysPhysiologyBehavioral PharmacologyMedicinePsychopharmacologyBehavioural PharmacologyNeuropharmacologyExperimental PharmacologyPharmacotherapyPharmacologySocial Sciences