inhibitor igg 's were screened for anti-viirag by competition with i125 labelled viiirag antibodies for common antigenic determinants using either an viiirag concentrate from which factor viii coagulant antigen ( viiicag ) had been dissociated , or normal plasma ( containing viiirag and viiicag ) as an antigen source .
C0003316
antigenic
C0003320
antigen