| risk factors for entamoeba histolytica infection in an agricultural community in hanam province, vietnam. | entamoeba histolytica is an important protozoan intestinal infection in resource-poor settings, including vietnam. the study objective was to assess risk factors of e. histolytica infection in a community in vietnam, where wastewater and human excreta are used in agriculture. a case-control study was conducted among residents of hanam province, northern vietnam. cases (n = 46) infected with e. histolytica and non-infected controls (n = 138) were identified in a cross-sectional survey among 794 r ... | 2011 | 21663665 |