OpisthorchiasisOpisthorchisPraziquantelFood ParasitologyThailandVaccines, ContraceptiveAnthelminticsSingle-Chain AntibodiesMekong ValleySchistosomicidesLaosAntibodies, HelminthImmunoglobulin FragmentsAntigens, HelminthPeptide LibraryParasite Egg CountSchistosomiasis mansoniSchistosoma haematobiumSchistosomiasis haematobiaSchistosoma mansoniAntibody SpecificityClonorchiasisOxamniquineSchistosomiasisAlbendazoleTrematode InfectionsPolymorphism, Single NucleotidePlatyhelminthsSchistosomiasis japonicaSchistosomaSchistosoma japonicumMethopreneAntiparasitic AgentsCestode InfectionsClonorchis sinensis