title: A pilot study of the potency of a combined Newcastle disease (fowl pox) fowl typhoid vaccine. I. The Newcastle disease component.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000096:biosynthesis; D002645:Chickens; D005587:Fowlpox virus / Q000276:immunology*; D006385:Hemagglutination Inhibition Tests; D009521:Newcastle Disease / Q000517:prevention & control*; D009522:Newcastle disease virus / Q000276:immunology*; D009549:Nigeria; D010865:Pilot Projects; D011212:Poxviridae / Q000276:immunology*; D012475:Salmonella / Q000276:immunology*; D014611:Vaccination / Q000662:veterinary; D014612:Vaccines / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D014612:Vaccines