title: Transmission of blue-eared pig disease.
authors.forename: I B
authors.initials: IB
authors.lastname: Robertson
mesh_terms: D000818:Animals; D005260:Female; D008297:Male; D012141:Respiratory Tract Infections / Q000635:transmission / Q000662:veterinary*; D012661:Semen / Q000382:microbiology*; D013552:Swine; D013553:Swine Diseases / Q000635:transmission*