Surgery in rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000601:surgery*; D006801:Humans; D007595:Joint Prosthesis; D007717:Knee / Q000601:surgery; D007719:Knee Joint; D000074402:Synovectomy; D013581:Synovial Cyst / Q000601:surgery; D013997:Time Factors