rubella and influenza a ( h3n2 ) haemagglutination inhibition ( hi ) antibody titres and measles complement-fixing ( cf ) , haemagglutination inhibition ( hi ) , haemolysis inhibition ( hli ) , and ribonucleoprotein gel precipitation ( rnp-gp ) antibody titres were studied in the serum and synovial fluid of twenty patients with rheumatoid arthritis ( ra ) , two patients with ankylosing spondylitis , and two patients with reiter 's syndrome .
C0009498
complement
C0229671
serum