the competitive capacity of 8 virus strains for antibody of 4 hyperimmune antisera to a/fm/1/47 , a/moscow/pan/52 , a/ussr/090/77 , and a/brazil/11/78 viruses was studied by solid-phase radioimmunoassay ( spria ) in two modifications : in the homologous and heterologous systems .
C0003241
antibody
C0020960
antisera