| parasitological survey of the first intermediate host of paragonimus westermani in iga area of mie prefecture, japan. | during the period from september 1985 to march 1988, the freshwater snails, semisulcospira libertina, were collected from 4 mountain rivers in ayama county of mie prefecture, which is known as a heavily infected locality with paragonimus westermani (kerbert, 1878) braun, 1899, and were examined for cercariae and rediae of this lung fluke. of 3,000 snails studied, 80 (2.67%) harbored paragonimus larvae. the infected snails were found at 3 sites in the nishitani (a), nenobi(b), and higashitani (c) ... | 1989 | 2739207 |