Kotze, Paulo Gustavo Staging surgery for ulcerative colitis: more than meets the eye. [electronic resource] - International journal of colorectal disease 01 2018 - 109-110 p. digital Publication Type: Letter; Comment ISSN: 1432-1262 Standard No.: 10.1007/s00384-017-2904-7 doi Subjects--Topical Terms: BiopsyColitis, Ulcerative--surgeryHumansProctocolectomy, Restorative