PT - JOURNAL ARTICLE AU - Stephen G. Holtzman TI - Discrimination of a Single Dose of Morphine Followed by Naltrexone: Substitution of Other Agonists for Morphine and Other Antagonists for Naltrexone in a Rat Model of Acute Dependence AID - 10.1124/jpet.102.044875 DP - 2002 Nov 25 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2002/11/25/jpet.102.044875.short 4100 - http://jpet.aspetjournals.org/content/early/2002/11/25/jpet.102.044875.full