title: Antigenic variation in syringe passaged populations of Trypanosoma (Trypanozoon) brucei. II. Comparative studies on two antigenic-type collections.
mesh_terms: D000818:Animals; D000941:Antigens; D003429:Cross Reactions; D007109:Immunity; D011817:Rabbits; D014346:Trypanosoma brucei brucei / Q000276:immunology*
chemical_list: D000941:Antigens