title: Proceedings: Attempts at oral application of newcastle disease virus (NDV) heterologous vaccine.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D002645:Chickens; D009521:Newcastle Disease / Q000517:prevention & control; D009522:Newcastle disease virus / Q000276:immunology*; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D014765:Viral Vaccines