title: Buoyant density of hemagglutinating encephalomyelitis virus of swine: comparison with avian infectious bronchitis virus.
mesh_terms: D000818:Animals; D001991:Bronchitis / Q000382:microbiology / Q000662:veterinary; D002499:Centrifugation, Density Gradient; D002645:Chickens; D004679:Encephalomyelitis / Q000382:microbiology / Q000662:veterinary; D006386:Hemagglutination Tests; D009975:Orthomyxoviridae / Q000032:analysis*; D009976:Orthomyxoviridae Infections / Q000382:microbiology / Q000662:veterinary; D010252:Paramyxoviridae / Q000032:analysis / Q000472:pathogenicity; D011201:Poultry Diseases / Q000382:microbiology; D012328:RNA Viruses / Q000032:analysis* / Q000472:pathogenicity; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology