VOLUNTARY CONSUMPTION OF AMPHETAMINE, COCAINE, ETHANOL AND MORPHINE IN RATS AS INFLUENCED BY THE ADMINISTRATION OF CLOZAPINE AND A PRECEDING PERIOD OF FORCED DRUG INTAKE
M. Ufer et al., VOLUNTARY CONSUMPTION OF AMPHETAMINE, COCAINE, ETHANOL AND MORPHINE IN RATS AS INFLUENCED BY THE ADMINISTRATION OF CLOZAPINE AND A PRECEDING PERIOD OF FORCED DRUG INTAKE, Naunyn-Schmiedeberg's archives of pharmacology, 358(4), 1998, pp. 124-124