Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Dec 7, 2017; 23(45): 8008-8016
Published online Dec 7, 2017. doi: 10.3748/wjg.v23.i45.8008
Figure 1
Figure 1 Flow chart for assembly of the study cohort. CD: Crohn’s disease; UC: Ulcerative colitis.