RT Journal Article SR Electronic T1 Naloxone as a Negative Reinforcer in Rhesus Monkeys: Effects of Dose, Schedule, and Narcotic Regimen JF Pharmacological Reviews JO Pharmacol Rev FD American Society for Pharmacology and Experimental Therapeutics SP 397 OP 406 VO 27 IS 3 A1 David A. Downs A1 James H. Woods YR 1975 UL http://pharmrev.aspetjournals.org/content/27/3/397.abstract AB