title: Haemophilus ducreyi and Treponema pallidum co-infection in an HIV-negative male presenting with anal ulceration.
authors.affiliation: Department of Gastroenterology, Hospital de Santo André, E.P.E., Leiria, Portugal.
authors.forename: M
authors.initials: M
authors.lastname: Canhoto
authors.forename: B
authors.initials: B
authors.lastname: Arroja
authors.forename: F
authors.initials: F
authors.lastname: Silva
authors.forename: C
authors.initials: C
authors.lastname: Gonçalves
authors.forename: I
authors.initials: I
authors.lastname: Cotrim
authors.forename: H
authors.initials: H
authors.lastname: Vasconcelos
mesh_terms: D000328:Adult; D002602:Chancroid / Q000150:complications / Q000175:diagnosis*; D060085:Coinfection / Q000150:complications / Q000175:diagnosis*; D005401:Fissure in Ano / Q000382:microbiology*; D006801:Humans; D008297:Male; D013587:Syphilis / Q000150:complications / Q000175:diagnosis*