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

@article{Meisch1977EstablishmentOE,
  title={Establishment of etonitazene as a reinforcer for rats by use of schedule-induced drinking.},
  author={R A Meisch and Lori J. Stark},
  journal={Pharmacology, biochemistry, and behavior},
  year={1977},
  volume={7 3},
  pages={195-203}
}
Drinking of etonitazene HCl by 6 rats was studied during daily 4-hr sessions. Five related experiments were conducted sequentially. In the first experiment schedule-induced polydipsia was established. Subsequently, etonitazene concentrations (1.25, 2.5 and 5.0 microgram/ml) were substituted for water, and intake of large quantities of the drug occurred. In the second experiment the concurrent food reinforcement schedule was discontinued and lever presses maintained by etonitazene (5 microgram… CONTINUE READING

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