title: [Introduction].
authors.affiliation: Clinique dermatologique, hôpital Charles-Nicolle, CHU de Rouen, 1, rue de Germont, 76000 Rouen, France. Pascal.Joly@chu-rouen.fr
authors.forename: P
authors.initials: P
authors.lastname: Joly
mesh_terms: D005180:Faculty, Medical; D006801:Humans; D010506:Periodicals as Topic; D012871:Skin Diseases