Vickers AD, Mody R, Bergman A, Ling CS, Ainsworth C, Medjedovic J, Smyth M. Comparative efficacy of biologics in the treatment of moderately to severely active ulcerative colitis (UC): a systematic review and network meta-analysis. Poster presented at the 2015 Digestive Disease Week; May 2015. Washington, DC. [abstract] Gastroenterology. 2015 Apr 16; 148(4, Suppl 1):S272. Previously presented at the 10th Congress of the European Crohn's and Colitis Organization.