ParagonimiasisParagonimusLung Diseases, ParasiticParagonimus westermaniHelminthsLung DiseasesPraziquantelAntibodies, HelminthShellfishLung Diseases, InterstitialAnthelminticsLungHelminthiasisLaosHelminthiasis, AnimalPleural EffusionBrachyuraAntigens, HelminthFood ParasitologyMissouriSuburban HealthParasite Egg CountBithionolCentral Nervous System HelminthiasisAstacoideaTherapy with HelminthsEosinophiliaLung Diseases, ObstructiveIntestinal Diseases, ParasiticMetacercariaeFasciolaSputumClonorchiasisCameroon