title: [Spray vaccination against Newcastle disease. Effect of maternal antibodies].
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D000937:Antigen-Antibody Reactions; D002642:Chick Embryo / Q000276:immunology; D002645:Chickens; D005260:Female; D009521:Newcastle Disease / Q000276:immunology / Q000517:prevention & control*; D010063:Ovum / Q000276:immunology; D014611:Vaccination / Q000379:methods / Q000662:veterinary*
chemical_list: D000906:Antibodies
vernacular_title: Untersuchungen zur Spray-Vakzination gegen die Newcastle-Krankheit