title: Vertical subluxation of the axis in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000000981:diagnostic imaging; D001368:Axis, Cervical Vertebra / Q000000981:diagnostic imaging; D001270:Cervical Atlas / Q000000981:diagnostic imaging; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000150:complications* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography