title: To the editor.
authors.forename: Norio
authors.initials: N
authors.lastname: Aoyagi
mesh_terms: D001860:Bone Plates / Q000592:standards*; D018786:Bone Substitutes / Q000627:therapeutic use*; D002574:Cervical Vertebrae / Q000601:surgery*; D017886:Durapatite / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007796:Laminectomy / Q000295:instrumentation*; D008297:Male; D014025:Titanium / Q000627:therapeutic use*
chemical_list: D018786:Bone Substitutes; D017886:Durapatite; D014025:Titanium