title: Cervical spine instability in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000000981:diagnostic imaging; D001268:Atlanto-Axial Joint / Q000033:anatomy & histology / Q000473:pathology*; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013122:Spinal Diseases / Q000209:etiology*; D013123:Spinal Fusion