title: [Lesson of graveyards].
authors.affiliation: Service de chirurgie maxillo-faciale, hôpital Nord, CHU d'Amiens, avenue Laennec - Salouel, 80054 Amiens cedex 1, France. Electronic address: devauchelle.bernard@chu-amiens.fr.
authors.forename: B
authors.initials: B
authors.lastname: Devauchelle
mesh_terms: D006801:Humans; D019369:Life; D009026:Mortality; D019368:Nature; D012586:Science; D013514:Surgical Procedures, Operative / Q000145:classification* / Q000639:trends*; D009626:Terminology as Topic