Risk of death after emergency repair of abdominal wall hernias. Still waiting for improvement - Martínez-Serrano, M A; Pereira, J A; Sancho, J J; López-Cano, M; Bombuy, E; Hidalgo, J; Study Group of Abdominal Hernia Surgery of the Catalan Society of Surgery (Langenbecks Arch Surg, 2010)