title: Standardization of the quantitative agar gel precipitin test for antibodies to infectious bursal disease.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002645:Chickens; D005779:Immunodiffusion / Q000379:methods / Q000592:standards*; D007243:Infectious bursal disease virus / Q000276:immunology*; D011201:Poultry Diseases / Q000276:immunology*; D012087:Reoviridae / Q000276:immunology*; D012088:Reoviridae Infections / Q000662:veterinary*
chemical_list: D000914:Antibodies, Viral