title: Studies on the host-parasite relationship on tparagonimus westermani (Kerbert, 1878). III. Incidence of cercariae related to host sex in the snail, Semisulcospira libertina (Gould, 1859) at different seasons.
mesh_terms: D000818:Animals; D004463:Ecology; D010238:Paragonimus; D012621:Seasons; D012737:Sex Factors; D012908:Snails / Q000469:parasitology*