title: Long-term opioid therapy.
authors.forename: Laxmaiah
authors.initials: L
authors.lastname: Manchikanti
authors.forename: Ramsin M
authors.initials: RM
authors.lastname: Benyamin
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage*; D004333:Drug Administration Routes; D004334:Drug Administration Schedule; D006801:Humans; D010148:Intractable Pain / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D000701:Analgesics, Opioid