title: Concerning the nature of the viral neutralizing activity of bovine serum.
mesh_terms: D000818:Animals; D000998:Antiviral Agents; D001769:Blood; D002417:Cattle; D006385:Hemagglutination Inhibition Tests; D007122:Immunoelectrophoresis; D066298:In Vitro Techniques; D008259:Macroglobulins; D008623:Mercaptoethanol / Q000494:pharmacology; D009975:Orthomyxoviridae / Q000276:immunology*; D017955:Poliovirus / Q000276:immunology*; D011120:Polyomavirus / Q000276:immunology*; D012217:Rheumatoid Factor
chemical_list: D000998:Antiviral Agents; D008259:Macroglobulins; D008623:Mercaptoethanol; D012217:Rheumatoid Factor