[2 cases of chronic rheumatoid arthritis with fatal atlanto-axial dislocation].
D001172:Arthritis, Rheumatoid / Q000150:complications*; D001368:Axis, Cervical Vertebra / Q000293:injuries*; D001270:Cervical Atlas / Q000293:injuries*; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology*; D008875:Middle Aged