title: [Otto Braun-Falco Alumni Lecture 21 July 2001 in Zurich].
authors.affiliation: Dermatologische Klinik und Poliklinik, TUM Biedersteiner Str 29, 80802 München.
authors.forename: J
authors.initials: J
authors.lastname: Ring
mesh_terms: D006801:Humans; D011230:Precancerous Conditions; D012878:Skin Neoplasms; D013557:Switzerland