Comparison of analgesic potencies of mu, delta and kappa agonists locally applied to various CNS regions relevant to analgesia in rats

Pasternak, 1981, Neurology, 31, 1311, 10.1212/WNL.31.10.1311 Chang, 1982, Life Sci., 30, 1547, 10.1016/0024-3205(82)90242-9 Gacel, 1981, J. Med. Chem., 24, 1119, 10.1021/jm00142a002 Brantl, 1982, Peptides, 3, 793, 10.1016/0196-9781(82)90017-1 Vaught, 1982, Life Sci., 30, 1443, 10.1016/0024-3205(82)90558-6 Tseng, 1983, J. Pharmacol. Exp. Ther., 224, 51 Wood, 1981, Life Sci., 28, 2119, 10.1016/0024-3205(81)90618-4 Carr, 1982, Brain Res., 245, 389, 10.1016/0006-8993(82)90824-1 Tyers, 1980, Br. J. Pharmac., 69, 503, 10.1111/j.1476-5381.1980.tb07041.x Upton, 1982, Europ. J. Pharmacol., 78, 421, 10.1016/0014-2999(82)90484-8 Ward, 1983, J. Pharmacol. Exp. Ther., 224, 525 Takagi, 1980, Trends in Pharmac. Sci., 1, 182, 10.1016/0165-6147(79)90064-6 Fields, 1978, Ann. Rev. Physiol., 40, 217, 10.1146/annurev.ph.40.030178.001245 Martin, 1981, Life Sci., 28, 1547, 10.1016/0024-3205(81)90308-8 Patterson, 1983, Br. Med. Bull., 39, 31, 10.1093/oxfordjournals.bmb.a071787 Wood, 1982, Neuropharmacology, 21, 487, 10.1016/0028-3908(82)90038-7 Yaksh, 1981, Pain, 11, 293, 10.1016/0304-3959(81)90633-3 Akaike, 1979, J. Pharmacol. Methods, 2, 371, 10.1016/0160-5402(79)90029-9 Fifkova, 1967, 653