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, et al.
Gut. 2012 Apr;61(4):535-42. doi: 10.1136/gutjnl-2011-300486. Epub 2011 Oct 13.
Gut. 2012.
PMID: 21997563
Free PMC article.