title: Treatment of chronic back pain. Comparing corticosteroid-lignocaine injections with lignocaine alone.
mesh_terms: D000328:Adult; D001416:Back Pain / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D006801:Humans; D007273:Injections, Intramuscular; D008012:Lidocaine / Q000008:administration & dosage*; D008775:Methylprednisolone / Q000008:administration & dosage*; D008875:Middle Aged; D014222:Triamcinolone Acetonide / Q000008:administration & dosage*
chemical_list: D008012:Lidocaine; D014222:Triamcinolone Acetonide; D008775:Methylprednisolone