Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS).
Travis SP., Schnell D., Krzeski P., Abreu MT., Altman DG., Colombel JF., Feagan BG., Hanauer SB., Lémann M., Lichtenstein GR., Marteau PR., Reinisch W., Sands BE., Yacyshyn BR., Bernhardt CA., Mary JY., Sandborn WJ., Travis SP.
Variability in endoscopic assessment necessitates rigorous investigation of descriptors for scoring severity of ulcerative colitis (UC).