Preferences for morphine in rats: validation of an experimental model of dependence.
D000818:Animals; D004192:Discrimination, Psychological; D004195:Disease Models, Animal; D004327:Drinking Behavior; D006801:Humans; D008297:Male; D009021:Morphine Dependence; D011803:Quinine; D051381:Rats; D012054:Reinforcement, Psychology
D011803:Quinine