FasciolaPlatyhelminthsFasciola hepaticaFascioliasisTurbellariaDNA, HelminthPlanariansCestodaCestode InfectionsTrematodaHelminthsInvertebratesRNA, HelminthGenome, HelminthRNA, Ribosomal, 18SPhylogenyAntibodies, HelminthAntigens, HelminthLymnaeaAnthelminticsMolecular Sequence DataEvolution, MolecularHelminth ProteinsAntiplatyhelmintic AgentsSequence AlignmentParamphistomatidaeDNA, RibosomalCathepsin LAspermiaDicrocoeliumEchinostomaSnailsAmino Acid SequenceBase SequenceEchinostomiasisSheep DiseasesParasitologyTetraoxanesBenzimidazolesMolluscacidesCathepsinsParasite Egg CountNasturtiumGeographic MappingClonorchis sinensisSaposinsDisease Vectors