title: Proceedings: Field trials with Newcastle disease vaccine prepared on heterologous substrate.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002645:Chickens / Q000276:immunology; D046508:Culture Techniques; D009521:Newcastle Disease / Q000517:prevention & control*; D009522:Newcastle disease virus / Q000276:immunology*; D013552:Swine; D014611:Vaccination; D014765:Viral Vaccines; D014776:Virus Cultivation
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines