title: Chlamydial infection in proctitis and Crohn's disease.
mesh_terms: D002690:Chlamydia Infections / Q000150:complications*; D002692:Chlamydia trachomatis; D003424:Crohn Disease / Q000209:etiology*; D005260:Female; D006716:Homosexuality; D006801:Humans; D008219:Lymphogranuloma Venereum / Q000150:complications; D008297:Male; D011349:Proctitis / Q000209:etiology*; D012007:Rectum / Q000382:microbiology