title: Study of feline virus diseases. I. Examination of virus strains isolated from upper respiratory tract infections of cats.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000382:microbiology*; D002415:Cats; D006564:Herpesviridae / Q000302:isolation & purification*; D006814:Hungary; D010849:Picornaviridae / Q000302:isolation & purification*; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000662:veterinary*