title: Response.
authors.forename: John D
authors.initials: JD
authors.lastname: Heiss
authors.forename: Edward H
authors.initials: EH
authors.lastname: Oldfield
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D013346:Subarachnoid Space / Q000503:physiopathology*; D013595:Syringomyelia / Q000503:physiopathology* / Q000601:surgery*