title: Diagnosis of velogenic viscerotropic Newcastle disease.
mesh_terms: D000818:Animals; D001717:Birds; D001921:Brain / Q000382:microbiology; D002645:Chickens; D004487:Edema / Q000473:pathology / Q000662:veterinary; D006385:Hemagglutination Inhibition Tests; D006470:Hemorrhage / Q000473:pathology / Q000662:veterinary*; D009521:Newcastle Disease / Q000175:diagnosis* / Q000382:microbiology / Q000473:pathology / Q000517:prevention & control; D009522:Newcastle disease virus / Q000276:immunology / Q000302:isolation & purification; D011531:Proventriculus / Q000473:pathology; D013154:Spleen / Q000382:microbiology; D014133:Tracheal Diseases / Q000473:pathology / Q000662:veterinary; D014611:Vaccination; D014776:Virus Cultivation