Preoperative biliary drainage reduce postoperative liver failure on patients undergoing major liver resection for perihiliar colangiocarcinoma. (2019) - Muñoz, C.; Molina, V.; Sampson, J.; Delgado, E.; Ferrer, J.; Calatayud, D.; Sanchez-Cabus, S.; Fondevila, C.; Fuster, J.; Garcia-Valdecasas, J.C.