title: Avian paramyxovirus type 1 in feral pigeons.
authors.forename: T W
authors.initials: TW
authors.lastname: Pennycott
mesh_terms: D000818:Animals; D010856:Columbidae / Q000276:immunology*; D009521:Newcastle Disease / Q000517:prevention & control*; D014611:Vaccination / Q000662:veterinary*