title: Self-administration of heroin, acetylmethadol, morphine, and methadone in rhesus monkeys.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D000882:Haplorhini; D003932:Heroin / Q000008:administration & dosage*; D007275:Injections, Intravenous; D008253:Macaca mulatta; D008691:Methadone / Q000008:administration & dosage* / Q000031:analogs & derivatives*; D008692:Methadyl Acetate / Q000008:administration & dosage*; D009020:Morphine / Q000008:administration & dosage*; D009294:Narcotics / Q000633:toxicity; D012119:Respiration / Q000187:drug effects; D012646:Self Administration
chemical_list: D009294:Narcotics; D003932:Heroin; D009020:Morphine; D008692:Methadyl Acetate; D008691:Methadone