title: [On the demonstration of hemagglutinin of the virus of avian infectious bronchitis].
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis*; D001715:Bird Diseases / Q000276:immunology*; D001991:Bronchitis / Q000276:immunology / Q000662:veterinary*; D002642:Chick Embryo; D006386:Hemagglutination Tests; D011201:Poultry Diseases / Q000276:immunology*; D014357:Trypsin / Q000494:pharmacology; D014777:Virus Diseases / Q000276:immunology / Q000662:veterinary*
chemical_list: D000906:Antibodies; D014357:Trypsin
vernacular_title: Ricerche per evidenziare l'emagglutinina del virus della bronchite infettiva aviaria.