based on their own experience , the authors report that a fall in the complement level of joint fluid , which is particularly common in rhumatoid arthritis , is also seen in cases of systemic lupus eryrthematosis and a variety of arthritis : infectious arthritis , gout , articular chondrocalcinosis and psoriatic rheumatism .
C0003864
arthritis
C0553730
articular chondrocalcinosis