Prognosis of rheumatoid arthritis. A prospective survey over 11 years.
D000367:Age Factors; D001172:Arthritis, Rheumatoid; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011446:Prospective Studies; D012075:Remission, Spontaneous; D012737:Sex Factors