Case Control Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Jun 7, 2016; 22(21): 5050-5059
Published online Jun 7, 2016. doi: 10.3748/wjg.v22.i21.5050
Figure 1
Figure 1 Collection of twin pairs. IBD: Inflammatory bowel diseases; CD: Crohn’s disease; UC: Ulcerative colitis.