Tomasz Krówka

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The present study was designed to investigate the involvement of opioidergic component as well as to study GABAergic mechanisms in the expression of heroin discrimination. Male Wistar rats were trained to discriminate heroin (0.5 mg/kg, i.p.) from saline (i.p.) in a two-choice water reinforced fixed ratio (FR) 20 drug discrimination paradigm. In(More)
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