title: Immunogenic and protective activity of an extract of Schistosoma mansoni.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens / Q000276:immunology*; D007111:Immunity, Cellular; D007114:Immunization; D051379:Mice; D011817:Rabbits; D012550:Schistosoma mansoni / Q000276:immunology*; D012552:Schistosomiasis / Q000276:immunology*
chemical_list: D000941:Antigens