title: A rapid quantitative agar gel precipitin test.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002645:Chickens; D005779:Immunodiffusion / Q000379:methods*; D007243:Infectious bursal disease virus / Q000276:immunology*; D012087:Reoviridae / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral