[Differentiation of field strains of Avian bronchitis virus (IBV)].
D000818:Animals; D001990:Bronchiolitis, Viral / Q000662:veterinary*; D002645:Chickens; D011201:Poultry Diseases / Q000382:microbiology*; D012328:RNA Viruses / Q000145:classification* / Q000302:isolation & purification
Differenzierung von Feldstämmen des Hühner-Bronchitisvirus (IBV)