title: [Etiology of malignant rheumatoid arthritis. (1) Pathological features of malignant rheumatoid arthritis].
mesh_terms: D001167:Arteritis / Q000150:complications*; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male