this appearance was in fact found in 63 % of the cases of rheumatoid arthritis , irrespective of their being either seropositive or seronegative , in 69 % of the cases of probable rheumatoid arthritis , in only 15 % of the unclassified cases of arthritis , in 28 % of the cases of various types of arthritis ( 20 % with exclusion of a case of mixed connectivitis and of a case of waldenstrom 's macroglobulinemia with rheumatoid arthritis ) and in 0 % of the cases of mechanical arthropathy .
C0003864
arthritis
C0003873
rheumatoid arthritis