title: Chronic perianal ulcerations: role of Trichomonas vaginalis?
authors.forename: F
authors.initials: F
authors.lastname: el Sayed
authors.forename: J
authors.initials: J
authors.lastname: Bazex
mesh_terms: D000818:Animals; D002908:Chronic Disease; D005401:Fissure in Ano / Q000469:parasitology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014245:Trichomonas Infections / Q000150:complications*; D014246:Trichomonas vaginalis