title: Potentiating-factor dependency and molecular size of neutralizing antibodies produced in bovine parainfluenza 3 virus infection.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis*; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D002850:Chromatography, Gel; D007106:Immune Sera; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008623:Mercaptoethanol / Q000494:pharmacology; D008624:Mercaptoethylamines / Q000494:pharmacology; D008970:Molecular Weight; D009500:Neutralization Tests; D018184:Paramyxoviridae Infections / Q000276:immunology / Q000662:veterinary*; D013438:Sulfhydryl Compounds / Q000494:pharmacology
chemical_list: D000906:Antibodies; D007106:Immune Sera; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008624:Mercaptoethylamines; D013438:Sulfhydryl Compounds; D008623:Mercaptoethanol