title: Experimental Chagas' disease: studies on the stability of a protective antigen.
mesh_terms: D000818:Animals; D000941:Antigens; D014355:Chagas Disease / Q000276:immunology / Q000517:prevention & control*; D051379:Mice; D014349:Trypanosoma cruzi / Q000276:immunology*
chemical_list: D000941:Antigens