title: Antigenic heterogeneity of metacyclic forms of Trypanosoma brucei.
mesh_terms: D000818:Animals; D015478:Antigens, Heterophile / Q000032:analysis*; D014346:Trypanosoma brucei brucei / Q000254:growth & development / Q000276:immunology*; D014370:Tsetse Flies / Q000469:parasitology
chemical_list: D015478:Antigens, Heterophile