Internal fixation of the unstable rheumatoid cervical spine.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000601:surgery*; D001269:Atlanto-Occipital Joint; D002574:Cervical Vertebrae / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged