FasciolaFasciola hepaticaFascioliasisSheepSheep DiseasesAntibodies, HelminthAntigens, HelminthSheep, DomesticLymnaeaAnthelminticsHelminth ProteinsDNA, HelminthAntiplatyhelmintic AgentsParamphistomatidaeCathepsin LDicrocoeliumAspermiaEchinostomaSnailsEchinostomiasisParasite Egg CountParasitologyBenzimidazolesTetraoxanesMolluscacidesCathepsinsNasturtiumGeographic MappingClonorchis sinensisTrematodaDisease VectorsHost-Parasite InteractionsSaposinsCubaDNA, Ribosomal SpacerCestode InfectionsClonorchiasis