title: Effects of chronic treatment with morphine, methadone, and LAAM on the response to phencyclidine in rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D004357:Drug Synergism; D006801:Humans; D008297:Male; D008691:Methadone / Q000031:analogs & derivatives* / Q000494:pharmacology*; D008692:Methadyl Acetate / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D009293:Opioid-Related Disorders / Q000378:metabolism; D010622:Phencyclidine / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats
chemical_list: D009020:Morphine; D010622:Phencyclidine; D008692:Methadyl Acetate; D008691:Methadone