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;

Delayed gastric emptying after distal pancreatectomy Mario Serradilla Martín; Celia Villodre Tudela; Fernando Rotellar; Gerardo Blanco Fernández; José Manuel Ramia;

Risk factors for complications in acute calculous cholecystitis. Deconstruction of the Tokyo Guidelines Ana María González-Castillo; Juan Sancho-Insenser; Maite De Miguel-Palacio; Josep-Ricard Morera-Casaponsa; Estela Membrilla-Fernández; María-José Pons-Fragero; Luis Grande-Posa; Miguel Pera-Román;