title: Recent advances in human protozoan parasites of the gastrointestinal tract.
mesh_terms: D000656:Amoeba / Q000502:physiology; D000818:Animals; D016782:Apicomplexa / Q000502:physiology; D056890:Eukaryota / Q000502:physiology; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology* / Q000469:parasitology; D011528:Protozoan Infections / Q000453:epidemiology* / Q000469:parasitology