title: Preliminary observations on a virus associated with turkey rhinotracheitis.
mesh_terms: D000818:Animals; D011201:Poultry Diseases / Q000382:microbiology*; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000662:veterinary*; D014136:Tracheitis / Q000382:microbiology / Q000662:veterinary; D014422:Turkeys; D014777:Virus Diseases / Q000382:microbiology / Q000662:veterinary*; D014780:Viruses / Q000302:isolation & purification* / Q000648:ultrastructure