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;

Relationship between the anatomical location and the selective non-operative management of penetrating stab wounds in the abdomen María Tudela Lerma; Fernando Turégano Fuentes; María Dolores Pérez Díaz; Cristina Rey Valcárcel; Lorena Martín Román; Cristina Ruiz Moreno; María Luz Fernández Vázquez; María Fernández Martínez;

Minimally invasive approach for colonic gallstone ileus Eugenio Licardie; Andrea Balla; José Antonio López-Ruiz; Salvador Morales-Conde;