title: A case of Giardia lamblia proctitis presenting in a V.D. clinic.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005873:Giardiasis / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D006801:Humans; D008297:Male; D011349:Proctitis / Q000175:diagnosis / Q000209:etiology*