PT - JOURNAL ARTICLE AU - David A. Downs AU - James H. Woods TI - Naloxone as a Negative Reinforcer in Rhesus Monkeys: Effects of Dose, Schedule, and Narcotic Regimen DP - 1975 Sep 01 TA - Pharmacological Reviews PG - 397--406 VI - 27 IP - 3 4099 - http://pharmrev.aspetjournals.org/content/27/3/397.short 4100 - http://pharmrev.aspetjournals.org/content/27/3/397.full SO - Pharmacol Rev1975 Sep 01; 27