Exceptionally high prevalence of infection of Bithynia siamensis goniomphalos with Opisthorchis viverrini cercariae in different wetlands in Thailand and Lao PDR.

Exceptionally high prevalence of infection of Bithynia siamensis goniomphalos with Opisthorchis viverrini cercariae in different wetlands in Thailand and Lao PDR.