Care burden and outcome of the surgical management of ulcerative colitis: A retrospective analysis of the last 20 years in a tertiary hospital in Spain Ignacio Aguirre-Allende; Jose M. Enríquez-Navascués; Garazi Elorza; Ane Etxart; Ainhoa Echeveste; Nerea Borda-Arrizabalaga; Carlos Placer; Yolanda Saralegui;

Peristomal pyoderma gangrenosum in a patient with inflammatory bowel disease Amaia Garcia Dominguez; Yolanda Saralegui Ansorena; Marta Artola Etxeberria; Jose María Enríquez-Navascués;

LIFT procedure for posterior fistula-in-ano. Are outcomes good enough? A systematic review and meta-analysisis of observational studies Carlos Placer Galán; Ignacio Aguirre; Tania Pastor; Ane Etxart; Jose María Enriquez Navascués;