RT Journal Article SR Electronic T1 Locomotor activity and antinociception after putative mu, kappa and sigma opioid receptor agonists in the rat: influence of dopaminergic agonists and antagonists. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 451 OP 460 VO 217 IS 2 A1 Iwamoto, E T YR 1981 UL http://jpet.aspetjournals.org/content/217/2/451.abstract AB