title: Letter: Results of Scoville and Silver's questionnaire on chymopapain.
mesh_terms: D002917:Chymopapain / Q000009:adverse effects*; D010450:Endopeptidases / Q000009:adverse effects*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000188:drug therapy*
chemical_list: D010450:Endopeptidases; D002917:Chymopapain