title: [Immunological studies on trypanosomiasis. 3. Immunization trials of sheep against cyclic infection by Trypanosoma congalense].
mesh_terms: D000818:Animals; D000917:Antibody Formation; D007110:Immunity, Active; D007114:Immunization / Q000662:veterinary*; D012756:Sheep / Q000276:immunology; D012757:Sheep Diseases / Q000517:prevention & control*; D014345:Trypanosoma / Q000276:immunology / Q000472:pathogenicity; D014352:Trypanosomiasis / Q000276:immunology / Q000662:veterinary*
vernacular_title: Etudes immunologiques sur les trypanosomoses. 3. Essais d'immunisation de moutons contre l'infection cyclique par Trypanosoma congolense