title: Multiplication of virulent and avirulent strains of Newcastle disease virus and interferon production in susceptible animals.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D002642:Chick Embryo; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D007372:Interferons / Q000096:biosynthesis*; D009522:Newcastle disease virus / Q000254:growth & development*; D011200:Poultry; D014776:Virus Cultivation
chemical_list: D007372:Interferons