title: Problems in the field evaluation of live virus vaccines for cattle.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000096:biosynthesis; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control; D004311:Double-Blind Method; D014611:Vaccination / Q000662:veterinary; D014613:Vaccines, Attenuated / Q000276:immunology*; D014765:Viral Vaccines / Q000276:immunology*; D014777:Virus Diseases / Q000517:prevention & control / Q000662:veterinary
chemical_list: D000914:Antibodies, Viral; D014613:Vaccines, Attenuated; D014765:Viral Vaccines