The detection of antibodies in hayfever sera by means of hemagglutination.
D000906:Antibodies; D006384:Hemagglutination; D006386:Hemagglutination Tests; D006801:Humans; D010084:Oxidation-Reduction; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology*
D000906:Antibodies
HAY FEVER/immunology