References
- Terenius L., Wahlström A. Search for an endogenous ligand for the opiate receptor. Acta Physiol Scand 1975; 94: 74–81
- Hughes J. Isolation of an endogenous compound from the brain with pharmacological properties similar to morphine. Brain Res 1975; 88: 295–308
- Headly M. P., Duggan A. W., Griersmith B. T. Selective reduction by noradrenaline and 5-hydroxytryptamine of nociceptive responses of cat dorsal horn neurons. Brain Res 1978; 145: 185–189
- Reddy S. V.R., Maderdrut J. L., Yaksh T. L. Spinal cord pharmacology of adrenergic agonist-mediated antinociception. J Pharmacol Exp Ther 1980; 213: 525–533
- Paalzow L. Analgesia produced by clonidine in mice and rats. J Pharm Pharmacol 1974; 26: 361–363
- Anden N. E., Graboeska M., Strömbom U. Different alpha-adrenoreceptors in the central nervous system mediating biochemical and functional effects of clonidine and receptor blocking agents. Naunyn Schmiedebergs Arch Pharmacol 1976; 292: 43–52
- Spaulding T. C., Venafro J. J., Ma M. G., Fielding S. The dissociation of the antinociceptive effect of clonidine from supraspinal structures. Neuropharmacol 1979a; 18: 103–105
- Paalzow G., Paalzow L. Clonidine antinociceptive activity: effects of drugs influencing central monoaminergic and cholinergic mechanisms in the rat. Naunyn Schmiedebergs Arch Pharmacol 1976; 292: 119–126
- Skingle M., Hays A. G., Tyers M. B. Antinociceptive activity of clonidine in the mouse, rat and dog. Life Sci 1982; 31: 1123–1132
- Gordh T., Tamsen A. A study on the analgesic effect of clonidine in man. Acta Anaesthesiol Scand 1983; 27(suppl 87)72
- Yaksh T. L., Reddy S. V.R. Studies in the primate on the analgesic effects associated with intrathecal actions of opiates, alphaadrenergic agonists and baclofen. Anesthesiology 1981; 54: 451–467
- Hoefke W. Clonidine. Pharmacology of antihypertensive drugs, A. Scriabine. Raven Press, New York 1980; 55–78
- Yaksh T. L., Rudy T. A. Chronic catheterization of the spinal subarachnoid space. Physiol Behav 1976; 17: 1031–1036
- Schmitt H., Le Douarec J. C., Petillot N. Antinociceptive effects of some alpha-sympathomimetic agents. Neuropharmacol 1974; 13: 289–294