title: Studies on a test vaccine for equine influenza virus. I. Production of a test vaccine.
mesh_terms: D000818:Animals; D001681:Biological Assay; D007240:Equartevirus / Q000276:immunology*; D006168:Guinea Pigs; D006734:Horse Diseases; D006736:Horses; D051379:Mice; D009976:Orthomyxoviridae Infections / Q000662:veterinary; D012328:RNA Viruses / Q000276:immunology*; D014765:Viral Vaccines
chemical_list: D014765:Viral Vaccines