the influence of intra-articular ( i.a . ) colloidal 198au ( 5 mci ) or 90y-silicate ( 5 mci ) on synovitis of the knee joint in patients older than 45 years with rheumatoid arthritis ( ra ) , who had been treated since 1970 in our hospital , was investigated .
C0022417
joint
C0003873
rheumatoid arthritis