ClonorchiasisClonorchis sinensisHeterophyidaePraziquantelAntiplatyhelmintic AgentsParagonimusParasite Egg CountMetacercariaeTrematode InfectionsFood ParasitologyKoreaAnthelminticsAntigens, HelminthAntibodies, HelminthParasitic DiseasesBile Ducts, IntrahepaticBile DuctsEndemic DiseasesCholangiographyShellfishRiversFisheries