title: Comparison of immunity to Newcastle disease after vaccination with Newcastle disease vaccine given alone or together with infectious bronchitis vaccine.
mesh_terms: D000818:Animals; D001991:Bronchitis / Q000276:immunology / Q000662:veterinary; D002645:Chickens; D009521:Newcastle Disease / Q000276:immunology*; D011201:Poultry Diseases / Q000276:immunology*; D014765:Viral Vaccines / Q000008:administration & dosage*; D014777:Virus Diseases / Q000276:immunology / Q000662:veterinary
chemical_list: D014765:Viral Vaccines