title: Non-specific backache.
mesh_terms: D000767:Anesthesia, Epidural; D000779:Anesthetics, Local; D001416:Back Pain / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000175:diagnosis
chemical_list: D000779:Anesthetics, Local