title: A simplified cell-culture technique for the serum-neutralization test of infectious bronchitis.
mesh_terms: D000818:Animals; D001991:Bronchitis / Q000175:diagnosis / Q000276:immunology / Q000662:veterinary*; D002478:Cells, Cultured; D002645:Chickens; D003588:Cytopathogenic Effect, Viral; D004531:Eggs; D007668:Kidney; D008722:Methods; D009500:Neutralization Tests / Q000662:veterinary*; D011201:Poultry Diseases / Q000175:diagnosis* / Q000276:immunology; D012328:RNA Viruses / Q000276:immunology*; D013997:Time Factors; D014776:Virus Cultivation