Solid pseudopapillary neoplasms of the pancreas: Multicenter Vasepa study Xiomara Duque Alvarez; Cándido Fernando Alcázar; Ana Hernando Sanz; Isabel Mora Oliver; Laura Granel; José A. Barreras; Alicia Calero; Silvia Carbonell Morote; Carlos Domingo; Rafael Estevan; Israel Oliver; Rafael López Andujar; Luis Sabater; Antonio Compañ; José M. Ramia;

Characteristics of gastrointestinal stromal tumors associated to other tumors Roberto Martí-Obiol; Rosa Martí-Fernández; Mari Carmen Fernández-Moreno; Maria Eugenia Barrios-Carvajal; Fernando López-Mozos;

Resident training in colorectal laparoscopic surgery: A retrospective morbidity, mortality and survival analysis of 408 cases in our environment Carlos Bustamante Recuenco; Laura Alonso-Lambertí Rizo; Andrea Salazar Carrasco; Ainhoa Valle Rubio; Manuel Cendrero Martín; Virginia Jiménez Carneros; José Luis Ramos Rodríguez; Francisco Javier Jiménez Miramón;