serum and synovial fluid ( sf ) levels of the complement components c3 , c5 , factor b ( b ) , properdin ( p ) , beta 1h and c3b inactivator ( c3bina ) , and edta-plasma and sf concentrations of c3d and ba were measured in 40 rheumatoid arthritis ( ra ) and 5 patients with osteoarthritis .
C0229671
serum
C0032105
plasma