title: Intravenous injection during chemonucleolysis.
mesh_terms: D002917:Chymopapain / Q000008:administration & dosage*; D010450:Endopeptidases / Q000008:administration & dosage*; D006801:Humans; D007275:Injections, Intravenous / Q000009:adverse effects*; D007405:Intervertebral Disc Displacement / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged
chemical_list: D010450:Endopeptidases; D002917:Chymopapain