title: Addiction to methadone among patients at Lexington and Fort Worth.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D003710:Demography; D005260:Female; D006801:Humans; D007629:Kentucky; D008297:Male; D008691:Methadone; D008875:Middle Aged; D010361:Patients; D012737:Sex Factors; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000628:therapy; D013781:Texas
chemical_list: D008691:Methadone