title: Letter: A serological survey of parainfluenza type 3 virus infection in pigs in Victoria.
mesh_terms: D000818:Animals; D001315:Australia; D006385:Hemagglutination Inhibition Tests; D018184:Paramyxoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*