lymphocytes secreting anti-igc antibodies , rheumatoid factors ( rf ) , can be detected in the peripheral bloods , synovial fluids , and bone marrows of patients with seropositive rheumatoid arthritis by using a direct plaque-forming cell ( pfc ) assay with sheep erythrocytes sensitized with reduced and alkylated rabbit igg hemolysin .
C1327616
secreting
C0007634
cell