Risk factors of massive blood transfusion in liver transplantation: consequences and a new index for prediction including the donor Iago Justo; Alberto Marcacuzco; Óscar Caso; Alejandro Manrique; Álvaro García-Sesma; Adolfo García; Cristina Rivas; Carlos Jiménez-Romero;

Comparison between level 1 and level 2 trauma centers for the management of splenic blunt trauma Fabrizio Sammartano; Francesco Ferrara; Laura Benuzzi; Caterina Baldi; Valeria Conalbi; Roberto Bini; Stefania Cimbanassi; Osvaldo Chiara; Marco Stella;