title: Letter: Intradiscal enzyme for back pain.
mesh_terms: D010450:Endopeptidases / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D007403:Intervertebral Disc; D007405:Intervertebral Disc Displacement / Q000188:drug therapy*; D012585:Sciatica / Q000188:drug therapy*
chemical_list: D010450:Endopeptidases