Balantidium coli in a cervico--vaginal smear.
D000328:Adult; D001447:Balantidiasis / Q000382:microbiology; D001448:Balantidium / Q000302:isolation & purification*; D002584:Cervix Uteri / Q000382:microbiology*; D005243:Feces / Q000382:microbiology; D005260:Female; D006801:Humans; D014621:Vagina / Q000382:microbiology*; D014626:Vaginal Smears