title: Avian adenovirus alone or followed by infectious bronchitis virus in laying hens.
mesh_terms: D000257:Adenoviridae Infections / Q000276:immunology / Q000662:veterinary*; D000818:Animals; D001991:Bronchitis / Q000662:veterinary*; D002645:Chickens; D004531:Eggs; D005260:Female; D009500:Neutralization Tests; D010538:Peritonitis / Q000662:veterinary; D011201:Poultry Diseases / Q000382:microbiology*; D011234:Precipitins / Q000032:analysis; D012328:RNA Viruses / Q000276:immunology; D014132:Trachea / Q000382:microbiology; D014762:Viral Interference; D014867:Water
chemical_list: D011234:Precipitins; D014867:Water