title: Discrete-trial control of cocaine self-injection behaviour in squirrel monkeys: effects of morphine, naloxone, and chlorpromazine.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002746:Chlorpromazine / Q000494:pharmacology*; D003042:Cocaine / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D004347:Drug Interactions; D000882:Haplorhini; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D012055:Reinforcement Schedule; D012453:Saimiri; D012646:Self Administration; D013997:Time Factors
chemical_list: D009270:Naloxone; D009020:Morphine; D003042:Cocaine; D002746:Chlorpromazine