the expression of receptors for the third component of complement ( c3r ) on polymorphonuclear cells ( pmn ) from patients with rheumatoid arthritis ( ra ) or felty 's syndrome ( fs ) and healthy controls ( hc ) was studied by means of a rosetting technique using ox erythrocytes coated with rabbit igm and mouse complement .
C0003873
rheumatoid arthritis
C0015773
felty 's syndrome