title: Differentiation of avian infectious bronchitis virus serotypes by immunofluorescence.
mesh_terms: D000818:Animals; D005455:Fluorescent Antibody Technique; D007106:Immune Sera; D009500:Neutralization Tests; D011201:Poultry Diseases; D012328:RNA Viruses / Q000276:immunology*
chemical_list: D007106:Immune Sera