Letter: Chymopapain chemonucleolysis in lumbar disk disease.
D002917:Chymopapain / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D010450:Endopeptidases / Q000008:administration & dosage*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000188:drug therapy*
D010450:Endopeptidases; D002917:Chymopapain