A graft anastomosis technique using external portal vein ligation: A safe solution for portal reconstruction in pancreaticoduodenectomy Patricia Torres Lebruno; Ana Begoña Arribas Díaz; Jennifer Díaz Cruz; Ángel Celdrán Uriarte; César Aparicio Martínez;

Management of thyroid and parathyroid surgery in major ambulatory surgery Marta de la Fuente Bartolomé; María Luisa Sánchez de Molina Rampérez; Carlos García Vasquez; María Victoria Vieiro Medina; Santos Francisco Jiménez de los Galanes Marchan;