RT Journal Article SR Electronic T1 Behavioral and pharmacological aspects of opioid dependence: mixed agonist-antagonists. JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 33 OP 52 VO 35 IS 1 A1 Woolverton, W L A1 Schuster, C R YR 1983 UL http://pharmrev.aspetjournals.org/content/35/1/33.abstract AB