title: Epizootiology of velogenic viscerotropic Newcastle disease in southern California, 1971-1973.
mesh_terms: D000818:Animals; D001130:Arizona; D001717:Birds; D002140:California; D002645:Chickens; D010856:Columbidae; D009521:Newcastle Disease / Q000453:epidemiology* / Q000209:etiology / Q000276:immunology / Q000473:pathology / Q000517:prevention & control; D009522:Newcastle disease virus / Q000276:immunology; D011790:Quarantine; D014422:Turkeys; D014611:Vaccination