%0 Journal Article %A David A. Downs %A James H. Woods %T Naloxone as a Negative Reinforcer in Rhesus Monkeys: Effects of Dose, Schedule, and Narcotic Regimen %D 1975 %J Pharmacological Reviews %P 397-406 %V 27 %N 3 %U https://pharmrev.aspetjournals.org/content/pharmrev/27/3/397.full.pdf