Pancreatic PEComa, a not so uncommon neoplasm? Systematic review and therapeutic update Manuel Nogueira Sixto; Roberto Carracedo Iglesias; Sergio Estévez Fernández; Carlos Rodríguez Pereira; Raquel Sánchez Santos;

Exploring the utility of cellular indices in the diagnosis of ulcerative colitis Julio César Moreno Alfonso; Sharom Barbosa-Velásquez; Carlos Delgado-Miguel; Ada Molina Caballero; Sara Hernández-Martín; Alberto Pérez Martínez; María Concepción Yárnoz Irazábal;

Spanish Working Group in Crohn's Disease and Ulcerative Colitis (GETECCU) position paper for the management of non-perianal fistulizing Crohn¿s disease Iago Rodríguez-Lago; Diego Casas-Deza; Jordi Rimola; Margalida Calafat; Rocío Ferreiro-Iglesias; Gianluca Pellino; Nicolás Avellaneda; Marisa Iborra; Manuel Barreiro-de Acosta; Ana Gutiérrez Casbas; Luis Menchén; Ingrid Ordás; Francisco Rodríguez-Moranta; Yamile Zabana;