title: Field studies on the transmission of the human liver fluke, Opisthorchis viverrini, in northeast Thailand: population changes of the snail intermediate host.
mesh_terms: D000818:Animals; D005260:Female; D005399:Fishes; D006801:Humans; D009889:Opisthorchiasis / Q000635:transmission*; D009891:Opisthorchis / Q000502:physiology*; D012908:Snails / Q000469:parasitology / Q000502:physiology*; D013785:Thailand