title: Infection of veterinarians in Ontario by Brucella abortus strain 19.
mesh_terms: D000818:Animals; D002004:Brucella Vaccine; D002003:Brucella abortus / Q000472:pathogenicity*; D002006:Brucellosis / Q000662:veterinary*; D006801:Humans; D009784:Occupational Diseases; D009864:Ontario
chemical_list: D002004:Brucella Vaccine