%0 Journal Article %T P697. Highlighting of epidemic areas of Crohn’s disease in a population-based registry over 22 years: genetic or environmental cause? %J Journal of Crohn s and Colitis %V 10 %N suppl_1 %P S457-S458 %@ 1873-9946 %D 2016-03-01 %I Elsevier Science %~ DeepDyve