synovial fluid ( sf ) contained by the knee joint from 102 patients ( 80 with rheumatoid arthritis , 12 with osteoarthrosis , 10 with posttraumatic arthritis ) and controls was studied for cytosis , activity of acid phosphatase , n-acetyl-beta-d-glucosaminidase , and camp and cgmp content .
C0022408
osteoarthrosis
C0003864
arthritis