title: Some properties of an avirulent Newcastle disease virus.
mesh_terms: D000818:Animals; D002490:Central Nervous System; D002642:Chick Embryo; D002645:Chickens; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D003937:Diagnosis, Differential; D004196:Disease Outbreaks / Q000662:veterinary; D004912:Erythrocytes / Q000276:immunology; D005243:Feces / Q000382:microbiology; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D006358:Hot Temperature; D007106:Immune Sera; D007668:Kidney; D051379:Mice; D008854:Microscopy, Electron; D009500:Neutralization Tests; D009521:Newcastle Disease / Q000175:diagnosis / Q000276:immunology / Q000382:microbiology*; D009522:Newcastle disease virus / Q000254:growth & development / Q000276:immunology / Q000302:isolation & purification / Q000472:pathogenicity; D009660:Northern Ireland; D010772:Phosphotungstic Acid; D013194:Staining and Labeling; D014765:Viral Vaccines; D014776:Virus Cultivation
chemical_list: D006389:Hemagglutinins, Viral; D007106:Immune Sera; D014765:Viral Vaccines; D010772:Phosphotungstic Acid