PT - JOURNAL ARTICLE AU - Lance R. McMahon AU - Stacy L. Sell AU - Charles P. France TI - Relative efficacy of buprenorphine, nalbuphine and morphine in opioid-treated rhesus monkeys discriminating naltrexone AID - 10.1124/jpet.103.051425 DP - 2003 May 23 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2003/05/23/jpet.103.051425.short 4100 - http://jpet.aspetjournals.org/content/early/2003/05/23/jpet.103.051425.full