title: Collapse of cervical spine treated by Down's Ace mark III halo assembly.
mesh_terms: D002293:Adenocarcinoma, Scirrhous / Q000556:secondary; D000328:Adult; D002574:Cervical Vertebrae / Q000473:pathology; D005260:Female; D006801:Humans; D009984:Orthopedic Fixation Devices; D013122:Spinal Diseases / Q000628:therapy; D013125:Spinal Neoplasms / Q000556:secondary