title: Transitional patterns of self-administration following substitution of methadone or l-alpha-acetylmethadol (LAAM) for morphine in dependent rats.
mesh_terms: D000818:Animals; D004569:Electroencephalography; D004576:Electromyography; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000494:pharmacology*; D008692:Methadyl Acetate / Q000008:administration & dosage / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology*; D051381:Rats; D012646:Self Administration; D012895:Sleep, REM / Q000187:drug effects; D013997:Time Factors
chemical_list: D008692:Methadyl Acetate; D008691:Methadone