AmebiasisEntamoeba histolyticaDysentery, AmebicEntamoebiasisLiver Abscess, AmebicEntamoebaAmebicidesLung Diseases, ParasiticAntibodies, ProtozoanTrophozoitesAntigens, ProtozoanProtozoan VaccinesCysteine ProteasesMetronidazoleBangladeshDNA, ProtozoanFecesGerbillinaeHemagglutination TestsProtozoan ProteinsLectinsImmunoglobulin A, SecretorySerologic TestsAntiprotozoal AgentsHomosexuality, MaleEnzyme-Linked Immunosorbent AssaySensitivity and SpecificityJapan