comparative testing with series of albumen samples obtained from seven dutch poultry flocks was performed for avian leukosis virus group-specific antigen ( alv-gsa ) by complement fixation test ( cft ) and by a double antibody sandwich enzyme-linked immunosorbent assay ( das-elisa ) employing selected monoclonal antibodies directed to different alv-p27 epitopes .
C0003241
antibody
C0003250
monoclonal