Posterior atlanto-axial subluxation in rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000150:complications / Q000000981:diagnostic imaging*; D001368:Axis, Cervical Vertebra / Q000002:abnormalities / Q000000981:diagnostic imaging*; D001270:Cervical Atlas / Q000000981:diagnostic imaging*; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011859:Radiography