title: Trypanosoma cruzi: antigenic invariance of the cell surface glycoprotein.
mesh_terms: D000818:Animals; D000954:Antigens, Surface / Q000032:analysis / Q000276:immunology*; D006023:Glycoproteins / Q000032:analysis / Q000276:immunology*; D014349:Trypanosoma cruzi / Q000276:immunology*
chemical_list: D000954:Antigens, Surface; D006023:Glycoproteins