title: Chronic diarrhea related to Endolimax nana: response to treatment with metronidazole.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D003967:Diarrhea / Q000188:drug therapy* / Q000209:etiology; D056890:Eukaryota / Q000302:isolation & purification*; D005243:Feces / Q000382:microbiology; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000008:administration & dosage / Q000627:therapeutic use*; D008875:Middle Aged; D011528:Protozoan Infections / Q000150:complications / Q000188:drug therapy*
chemical_list: D008795:Metronidazole