| [prevalence of entamoeba histolytica and other intestinal protozoa among the inhabitants of poznan province over a period of 30 years]. | the aim of the study was to present the past and actual prevalence of entamoeba histolytica and other intestinal protozoa in poznań province. although in poland there are only few accurate data concerning the prevalence of intestinal protozoa, the results of some studies were found reliable. in a survey conducted in 1958 in an orphanage in poznań (kasprzak and karlewiczowa) the intestinal protozoa were found with high prevalence (table 1). after six years this prevalence decreased considerably ( ... | 1989 | 2633499 |