The effect of zolpidem on operant behavior and its relation to pharmacokinetics after intravenous and subcutaneous administration: concentration–effect relations
Acute behavioral and physiological effects of modafinil in drug abusers
The effects of simultaneous administration of α 2-adrenergic agents with L-NAME or L-arginine on the development and expression of morphine dependence in mice
Effect of repeated treatment with tianeptine and fluoxetine on central dopamine D2/D3 receptors
Elevated T-maze as an animal model of memory: effects of scopolamine
Evidence for the involvement of the muscarinic cholinergic system in the central actions of pentoxifylline
Effects of cocaine on responding for ethanol or sucrose under a progressive ratio schedule
Modulation of working memory and of long- but not short-term memory by cholinergic mechanisms in the basolateral amygdala