title: [Malignant rheumatoid arthritis 1. Some clinical characteristics of the so-called malignant rheumatoid arthritis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000175:diagnosis; D005260:Female; D006801:Humans; D007249:Inflammation; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D014652:Vascular Diseases / Q000150:complications