title: [Ulcer on the corner of the mouth of the in a 19-year old male patient].
authors.affiliation: Zentrum der Dermatologie und Venerologie, Klinikum der Johann-Wolfgang-Goethe-Universität, Frankfurt/M. Schoefer@em.uni-frankfurt.de
authors.forename: Helmut
authors.initials: H
authors.lastname: Schöfer
authors.forename: Michael
authors.initials: M
authors.lastname: Menzer
authors.forename: Roland
authors.initials: R
authors.lastname: Kaufmann
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D019226:Oral Ulcer / Q000175:diagnosis* / Q000209:etiology* / Q000517:prevention & control; D013591:Syphilis, Cutaneous / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy