title: Separation of the components of T. brucei subgroup 4S (surface) antigen.
mesh_terms: D000941:Antigens / Q000032:analysis*; D000939:Epitopes; D006023:Glycoproteins / Q000302:isolation & purification; D007525:Isoelectric Focusing; D014346:Trypanosoma brucei brucei / Q000276:immunology*
chemical_list: D000941:Antigens; D000939:Epitopes; D006023:Glycoproteins