Anterior approach to recurrent chordomas of the clivus. Technical note.
D002817:Chordoma / Q000601:surgery*; D006801:Humans; D008722:Methods; D009305:Nasopharynx / Q000601:surgery; D009777:Occipital Bone / Q000601:surgery*; D010159:Palate / Q000601:surgery; D012888:Skull Neoplasms / Q000601:surgery*