title: Long-term opioid therapy for refractory lumbar pain. Pain Research Foundation journal club.
authors.forename: C
authors.initials: C
authors.lastname: Richardson
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D006801:Humans; D017116:Low Back Pain / Q000188:drug therapy* / Q000503:physiopathology; D008161:Lumbosacral Region; D016032:Randomized Controlled Trials as Topic; D013131:Spine / Q000503:physiopathology; D013997:Time Factors
chemical_list: D000701:Analgesics, Opioid