[An epidemiologic survey on endoameba histolytica infection].
D000293:Adolescent; D000328:Adult; D000562:Amebiasis / Q000453:epidemiology*; D000818:Animals; D002648:Child; D002675:Child, Preschool; D002681:China; D004404:Dysentery, Amebic / Q000453:epidemiology; D004749:Entamoebiasis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008101:Liver Abscess, Amebic / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013552:Swine / Q000469:parasitology