title: ["Poorly healing black spots": what is causing these foot ulcers?].
authors.affiliation: Klinik für Innere Medizin I der Universitätsklinik Jena, Erlanger Allee 101, D-07747 Jena.
authors.forename: Thomas
authors.initials: T
authors.lastname: Winkens
authors.forename: Andreas
authors.initials: A
authors.lastname: Finkensieper
authors.forename: Hans-R
authors.initials: HR
authors.lastname: Figulla
authors.forename: Christian
authors.initials: C
authors.lastname: Jung
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005533:Foot Dermatoses / Q000209:etiology*; D006801:Humans; D008297:Male; D010859:Pigmentation Disorders / Q000209:etiology*; D013919:Thromboangiitis Obliterans / Q000175:diagnosis*; D014945:Wound Healing / Q000502:physiology*