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;

Incidence and risk factors for de novo cholelithiasis after bariatric surgery Ainhoa Andrés-Imaz; Laura Martí-Gelonch; Emma Eizaguirre-Letamendia; José Ignacio Asensio-Gallego; José María Enríquez-Navascués;

Altemeier procedure for rectal prolapse after intersphincteric low anterior resection with transanal total mesorectal excision Eloy Maldonado Marcos; Pere Planellas Giné; Júlia Gil Garcia; Ramon Farrés Coll; Antoni Codina Cazador;