The textbook outcome for cholecystectomy: Is it a good quality tool for a low-morbidity procedure? David Hernández-Bermejo; Celia García-Vega; Juan Jesús Rubio-García; Celia Villodre-Tudela; Silvia Carbonell-Morote; José Manuel Ramia;

Prognosis factors in heart-lung transplantation: 30 years experience in a reference center Carlos Ordoñez Ochoa; Jose Cerón Navarro; Olga Salamea Ávila; Alilis Fontana Bellorín; Stephania Aguilar Gonzalez; Alfonso Morcillo Aixelá; Carlos Jorda Aragón; Gabriel Sales Badia;

Results of the Spanish National Polytrauma Registry. Where are we and where are we heading? Andrea Campos-Serra; Lola Pérez-Díaz; Cristina Rey-Valcárcel; Sandra Montmany-Vioque; Manuel Artiles-Armas; Daniel Aparicio-Sánchez; Luís Tallón-Aguilar; Marta Gutiérrez-Andreu; Julia Bernal-Tirapo; Francisca Garcia-Moreno Nisa; Cristina Vera-Mansilla; Ricardo González-Conde; Leticia Gómez-Viana; Alberto Titos-García; Jose Aranda-Narvaez;