Chemonucleolysis.
D002917:Chymopapain / Q000627:therapeutic use*; D004341:Drug Evaluation; D004492:Edetic Acid / Q000494:pharmacology*; D010450:Endopeptidases / Q000627:therapeutic use*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000188:drug therapy*; D012107:Research Design
D004492:Edetic Acid; D010450:Endopeptidases; D002917:Chymopapain