title: Definition of progressive atrophic rhinitis.
authors.forename: M F
authors.initials: MF
authors.lastname: de Jong
authors.forename: J P
authors.initials: JP
authors.lastname: Nielsen
mesh_terms: D000818:Animals; D010326:Pasteurella Infections / Q000662:veterinary*; D012222:Rhinitis, Atrophic / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases