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Drug discrimination under concurrent variable-ratio variable-ratio schedules.
Pigeons were trained to discriminate 5 mg/kg pentobarbital from saline under concurrent variable-ratio (VR) VR schedules, in which responses on the pentobarbital-biased lever were reinforced under the VR schedule with the smaller response requirements when pentobarbital was given before the session,...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
2002
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1284849/ https://ncbi.nlm.nih.gov/pubmed/11831785 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1901/jeab.2002.77-91 |
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