title: Possible antigen variation in Plasmodium knowlesi on mosquito passage.
mesh_terms: D000372:Agglutination Tests; D000818:Animals; D000852:Anopheles; D000941:Antigens; D000882:Haplorhini; D008288:Malaria / Q000276:immunology; D010961:Plasmodium / Q000276:immunology*
chemical_list: D000941:Antigens