title: Active immunization of dogs with a non virulent strain of Trypanosoma cruzi.
mesh_terms: D000818:Animals; D001769:Blood / Q000382:microbiology; D014355:Chagas Disease / Q000276:immunology* / Q000517:prevention & control; D004285:Dogs; D004562:Electrocardiography; D007110:Immunity, Active; D014611:Vaccination