title: Balantidium coli in cervico-vaginal cytology. A case report.
mesh_terms: D000328:Adult; D001447:Balantidiasis / Q000175:diagnosis; D001448:Balantidium / Q000302:isolation & purification*; D005260:Female; D006801:Humans; D014623:Vaginal Diseases / Q000469:parasitology*