title: Intermediate host specificity in Schistosoma mansoni.
mesh_terms: D000818:Animals; D000941:Antigens; D001700:Biomphalaria / Q000276:immunology / Q000469:parasitology; D003433:Crosses, Genetic; D007111:Immunity, Cellular; D012550:Schistosoma mansoni / Q000254:growth & development / Q000276:immunology; D012908:Snails / Q000469:parasitology; D013045:Species Specificity
chemical_list: D000941:Antigens