SYSTEMATIC REVIEWS
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 21, 2015; 21(15): 4735-4743
Published online Apr 21, 2015. doi: 10.3748/wjg.v21.i15.4735
Figure 1
Figure 1 Flow chart of the studies included in the case analyses.
Figure 2
Figure 2 Crohn’s disease cases from a variety of provinces and municipalities.