| susceptibility of oncomelania hupensis subspecies to infection with geographic strains of schistosoma japonicum. | subspecies of oncomelania hupensis were exposed to infection with zoophilic and anthropophilic strains of schistosoma japonicum. the snails were philippine o. h. quadrasi from the islands of bohol, leyte and mindanao, o. h. formosana from changhua and ilan, and o. h. chiui from taiwan, o. h. hupensis from china, o. h. nosophora from japan and o. h. lindoensis from indonesia. anthropophilic strains of s. japonicum were from bohol and leyte in the philippines, china, japan and indonesia. the zooph ... | 1984 | 6505785 |