title: To the editor.
authors.forename: Scott L
authors.initials: SL
authors.lastname: Blumenthal
mesh_terms: D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging / Q000601:surgery*; D007593:Joint Instability / Q000209:etiology / Q000503:physiopathology; D008159:Lumbar Vertebrae; D008875:Middle Aged; D011095:Polyethylenes; D019736:Prostheses and Implants; D011474:Prosthesis Design; D011475:Prosthesis Failure; D011859:Radiography; D012086:Reoperation; D018570:Risk Assessment; D013123:Spinal Fusion / Q000009:adverse effects* / Q000379:methods; D016896:Treatment Outcome
chemical_list: D011095:Polyethylenes