Reliability and initial validation of the ulcerative colitis endoscopic index of severity.
Travis SP, Schnell D, Krzeski P, Abreu MT, Altman DG, Colombel JF, Feagan BG, Hanauer SB, Lichtenstein GR, Marteau PR, Reinisch W, Sands BE, Yacyshyn BR, Schnell P, Bernhardt CA, Mary JY, Sandborn WJ.
Travis SP, et al.
Gastroenterology. 2013 Nov;145(5):987-95. doi: 10.1053/j.gastro.2013.07.024. Epub 2013 Jul 25.
Gastroenterology. 2013.
PMID: 23891974
Free article.