title: Characterization of a new infectious bronchitis virus isolate. I. Serological and pathogenicity studies of Clark 333.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D000941:Antigens / Q000032:analysis; D001717:Birds; D001991:Bronchitis / Q000175:diagnosis / Q000276:immunology / Q000662:veterinary*; D002642:Chick Embryo; D003429:Cross Reactions; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D007106:Immune Sera / Q000032:analysis; D009500:Neutralization Tests; D011201:Poultry Diseases / Q000175:diagnosis* / Q000276:immunology; D012328:RNA Viruses / Q000276:immunology / Q000302:isolation & purification* / Q000472:pathogenicity; D012698:Serologic Tests / Q000662:veterinary; D014765:Viral Vaccines / Q000008:administration & dosage; D014777:Virus Diseases / Q000175:diagnosis / Q000276:immunology / Q000662:veterinary*
chemical_list: D000906:Antibodies; D000941:Antigens; D007106:Immune Sera; D014765:Viral Vaccines