title: [Changes in some properties of attenuated Newcastle disease virus strains due to their serial passage in the presence of normal chicken serum].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002645:Chickens / Q000276:immunology*; D005260:Female; D005347:Fibroblasts / Q000276:immunology; D007106:Immune Sera; D009522:Newcastle disease virus / Q000276:immunology*; D014765:Viral Vaccines; D014774:Virulence
chemical_list: D007106:Immune Sera; D014765:Viral Vaccines
vernacular_title: Zmiany niektórych właściwości atenuowanych szczepów wirusa choroby Newcastel w nasteptwie eryjnych pasazy w obecności normalnej surowicy kur.