Risk factors for permanent stoma following sphincter-preserving anterior resection in rectal cancer: A retrospective multicenter observational study Pere Planellas; Nair Fernandes; Sandra Alonso-Gonçalves; Thomas Golda; Júlia Gil; Garazi Elorza; Esther Kreisler; Mayra Rebeka Abad-Camacho; Lidia Cornejo; Franco Marinello;

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;