Higuera F, Noble A, Crespo J, Albillos A, Montaño AJ, Cano AD, Castro GE, De Giau LF, García ES, Fernández NJ, Aldana JM, Trujillo OE, Cerna J, Velasco YM, Cerda E, Tapia DK, Bautista A, Pérez JL, Moreno R, Velarde JA. Mexican consensus on the approach to and treatment of acute variceal bleeding