title: Antigenic variation in Trypanosoma vivax.
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification*; D002417:Cattle; D003165:Complement System Proteins; D000939:Epitopes; D007106:Immune Sera; D014352:Trypanosomiasis / Q000276:immunology*; D014370:Tsetse Flies
chemical_list: D000941:Antigens; D000939:Epitopes; D007106:Immune Sera; D003165:Complement System Proteins