von willebrand factor ( vwf ) , an endothelial cell product , was evaluated in 39 patients with rheumatoid arthritis , 19 patients with connective tissue diseases and vasculitis , 21 patients with nonrheumatoid inflammatory arthritides , 14 patients with osteoarthritis and 19 controls .
C0003873
rheumatoid arthritis
C0003864
inflammatory arthritides