BOSNIAN JOURNAL OF BASIC MEDICAL SCIENCES, cilt.13, sa.2, ss.119-125, 2013 (SCI-Expanded)
While opioid receptors have been implicated in the development of tolerance, the subsequent mechanisms involved in these phenomena have not been completely understood. The purpose of this study was to investigate effects of D-1/D-2 dopamine receptors antagonist perphenazine on morphine analgesia and tolerance in rats.