title: Ethanol preference in the hamster: effects of morphine sulfate and naltrexone, a long-acting morphine antagonist.
mesh_terms: D000428:Alcohol Drinking; D000818:Animals; D002755:Choice Behavior / Q000187:drug effects*; D006224:Cricetinae; D003657:Decision Making / Q000187:drug effects*; D003917:Dextrorphan / Q000494:pharmacology; D007981:Levorphanol / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000031:analogs & derivatives*; D009271:Naltrexone / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D003917:Dextrorphan; D007981:Levorphanol; D009270:Naloxone; D009271:Naltrexone; D009020:Morphine