Lohr, J E Neutralizing and precipitating antibodies against infectious bronchitis virus in chickens. [electronic resource] - New Zealand veterinary journal - 5-9 p. digital Publication Type: Journal Article ISSN: 0048-0169 Standard No.: 10.1080/00480169.1974.34121 doi Subjects--Topical Terms: AnimalsAntibodies, ViralBronchitis--epidemiologyChickensCoronaviridae--immunologyFemaleImmunodiffusionNeutralization TestsNew ZealandPoultry Diseases--epidemiologyPrecipitinsVirus Diseases--epidemiology