title: Response of pigeons to eight strains of newcastle disease virus.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000276:immunology*; D010856:Columbidae; D006385:Hemagglutination Inhibition Tests; D009521:Newcastle Disease / Q000276:immunology / Q000662:veterinary*; D009522:Newcastle disease virus / Q000472:pathogenicity; D014765:Viral Vaccines
chemical_list: D014765:Viral Vaccines