title: Failure of Clostridium chauvoe/vaccines to protect against blackleg.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines / Q000592:standards*; D003013:Clostridium / Q000276:immunology*; D003015:Clostridium Infections / Q000517:prevention & control / Q000662:veterinary*
chemical_list: D001428:Bacterial Vaccines