Genetic differences in preferences for morphine and codeine in Lewis and Fischer 344 inbred rat strains.

Self-administration of psychoactive substances by the monkey

1969 • 807 citations

Experimental Morphine Addiction: Method for Automatic Intravenous Injections in Unrestrained Rats

1962 • 638 citations

Self Administration of and Behavioral Dependence on Drugs

1969 • 489 citations

Cocaine-reinforced behavior in rats: effects of reinforcement magnitude and fixed-ratio size.

1968 • 418 citations

Differential establishment and maintenance of oral ethanol reinforced behavior in Lewis and Fischer 344 inbred rat strains.

1988 • 209 citations

Preferences for morphine in rats: Validation of an experimental model of dependence

1970 • 110 citations

Addiction Liability of Albino Rats: Breeding for Quantitative Differences in Morphine Drinking

1967 • 107 citations

Drug addiction. I. Addiction by escape training.

1956 • 97 citations

Morphine ingestion: Genetic control in mice

1977 • 73 citations

Inducing a Preference for Morphine in Rats without Premedication

1968 • 61 citations

Establishment of etonitazene as a reinforcer for rats by use of schedule-induced drinking

1977 • 47 citations

Opiate dependence produced by ad libitum drinking of morphine in water, saline, and sucrose vehicles

1973 • 46 citations

Oral intake of morphine in selectively bred rats

1977 • 16 citations

Preference for Morphine and Drug-Seeking Behavior in Morphine Dependent Rats.

1978 • 16 citations

Differences in oral intake of morphine by two strains of rats.

1973 • 10 citations