Effect of neuraminidase on antibody combining unit (ACU) titers of human sera determined by Drescher's photometric procedure.
D000906:Antibodies / Q000032:analysis; D001666:Binding Sites, Antibody; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral; D006801:Humans; D007106:Immune Sera; D007251:Influenza, Human / Q000276:immunology; D009439:Neuraminidase / Q000494:pharmacology*; D009975:Orthomyxoviridae / Q000276:immunology; D010783:Photometry
D000906:Antibodies; D006389:Hemagglutinins, Viral; D007106:Immune Sera; D009439:Neuraminidase