Laparoscopic liver resections: What have we learned after more than 20 years of experience? Catalina Poggi; Tomás Cifone; Luciana Peralta; Tomás d¿Angelo; Oscar Mazza; Rodrigo Sánchez Clariá; Martín de Santibañes; Juan Pekolj;

Implementation of a regional reference center in pancreatic surgery. Experience after 631 procedures Juan Manuel Castillo Tuñón; María Elisa Valle Rodas; Francisco Botello Martínez; Adela Rojas Holguín; Diego López Guerra; Jesús Santos Naharro; Isabel Jaén Torrejímeno; Gerardo Blanco Fernández;

Pancreaticoduodenectomy and external Wirsung stenting: Our outcomes in 80 cases Carlos Jiménez Romero; Laura Alonso Murillo; Paula Rioja Conde; Alberto Marcacuzco Quinto; Óscar Caso Maestro; Anisa Nutu; Isabel Pérez Moreiras; Iago Justo Alonso;