title: Cytogenetic follow-up of patients in a methadone maintenance program.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations / Q000187:drug effects*; D003582:Cytogenetics; D005500:Follow-Up Studies; D005845:Georgia; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*
chemical_list: D008691:Methadone