title: The nonpathogenic intestinal protozoa.
abstract: Nonpathogenic intestinal protozoa are frequently reported in fecal specimens sent to laboratories for parasitologic examination. Family physicians should be familiar with the most commonly encountered species.
mesh_terms: D004747:Entamoeba / Q000166:cytology; D056890:Eukaryota / Q000166:cytology / Q000254:growth & development / Q000472:pathogenicity; D006801:Humans; D007422:Intestines; D014244:Trichomonas / Q000166:cytology