title: Infectious bronchitis in laying fowls.
mesh_terms: D000818:Animals; D002645:Chickens; D003333:Coronaviridae Infections / Q000662:veterinary*; D005260:Female; D001351:Infectious bronchitis virus / Q000276:immunology; D011201:Poultry Diseases / Q000276:immunology*; D014765:Viral Vaccines / Q000276:immunology
chemical_list: D014765:Viral Vaccines