Tolerance to morphine microinjections in the periaqueductal gray (PAG) induces tolerance to systemic, but not intrathecal morphine

This publication has 42 references indexed in Scilit:

• Investigation of tolerance to chronic intrathecal morphine infusion in the rat
  Physiology & Behavior, 1987
• Intraspinal Narcotic Analgesia in the Treatment of Chronic Pain
  Spine, 1985
• The relative significance of spinal and supraspinal actions in the antinociceptive effect of morphine in the dorsal horn: an evaluation of the microinjection technique
  British Journal of Pharmacology, 1983
• Experimental Cutaneous Pain Thresholds and Tolerance in Clinical Analgesia with Epidural Morphine
  Acta Anaesthesiologica Scandinavica, 1982
• Continuous epidural morphine treatment for intractable pain in terminal cancer patients
  Pain, 1982
• Continuous canine epidural morphine analgesia with an implanted drug infusion pump
  Journal of Surgical Research, 1982
• Role of the nucleus raphe magnus in opiate analgesia as studied by the microinjection technique in the rat
  Brain Research, 1979
• Analgesia produced by direct injection of morphine into the mesencephalic reticular formation
  Brain Research Bulletin, 1978
• Morphine Tolerance and Dependence Induced by Intraventricular Injection
  Science, 1971
• The effect of narcotics and narcotic antagonists on the tail-flick response in spinal mice
  Journal of Pharmacy and Pharmacology, 1969