title: Epidural morphine and methylprednisolone: new therapy for recurrent low-back pain.
mesh_terms: D000328:Adult; D001416:Back Pain / Q000188:drug therapy*; D006801:Humans; D007268:Injections, Epidural; D008775:Methylprednisolone / Q000008:administration & dosage*; D009020:Morphine / Q000008:administration & dosage*
chemical_list: D009020:Morphine; D008775:Methylprednisolone