title: Protective effect of newcastle disease vaccine against respiratory infection of chickens.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D002645:Chickens; D006385:Hemagglutination Inhibition Tests; D007267:Injections; D007273:Injections, Intramuscular; D009500:Neutralization Tests; D009522:Newcastle disease virus / Q000276:immunology; D009666:Nose; D011201:Poultry Diseases / Q000276:immunology / Q000517:prevention & control*; D012141:Respiratory Tract Infections / Q000276:immunology / Q000517:prevention & control / Q000662:veterinary*; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage
chemical_list: D000906:Antibodies; D014765:Viral Vaccines