title: The speed of resistance to challenge induced in chickens vaccinated by different routes with a B1 strain of live NDV.
mesh_terms: D000336:Aerosols; D000818:Animals; D000937:Antigen-Antibody Reactions; D002645:Chickens; D006385:Hemagglutination Inhibition Tests; D009521:Newcastle Disease / Q000276:immunology; D009522:Newcastle disease virus; D011201:Poultry Diseases / Q000517:prevention & control*; D013997:Time Factors; D014611:Vaccination / Q000662:veterinary*; D014613:Vaccines, Attenuated / Q000008:administration & dosage
chemical_list: D000336:Aerosols; D014613:Vaccines, Attenuated