title: The use of extradural injections in the relief of lumbo-sciatic pain.
mesh_terms: D001416:Back Pain / Q000188:drug therapy*; D004388:Dura Mater; D005500:Follow-Up Studies; D006801:Humans; D007267:Injections; D008012:Lidocaine / Q000008:administration & dosage*; D008775:Methylprednisolone / Q000008:administration & dosage*; D012965:Sodium Chloride / Q000008:administration & dosage*
chemical_list: D012965:Sodium Chloride; D008012:Lidocaine; D008775:Methylprednisolone