1. Volume 152, Issue 1, Pages 14-16 (January 2017)
Inflammatory Bowel Disease: A Global Disease That Needs a Broader Ensemble of Populations 
Andre Franke 
Gastroenterology 
Volume 152, Issue 1, Pages (January 2017)
DOI: /j.gastro
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2. Figure 1
Number of publications in PubMed that list the term “Crohn’s disease” OR “ulcerative colitis” OR “inflammatory bowel disease” AND the ethnic terms listed in the box (while accounting for variations of the terms, eg, “Jews” OR “Jewish” OR “Ashkenazi”). Although the results of this literature search have not been curated further (which would be necessary for more accurate estimates), the unfiltered query results reflect the representation of different ethnicities in research on inflammatory bowel disease (IBD). Although the number of new publications per year on IBD is fortunately increasing steadily (bar plot, right y-axis), reflecting a generally increasing interest in this disease (probably owing to its increasing incidence and global spreading), research in non-European ancestry cohorts has not increased throughout the years (left y-axis). An exception is the increasing numbers of studies on Asian patients; however, almost twice as many articles appear per year still on cohorts with a European ancestry.
Gastroenterology  , 14-16DOI: ( /j.gastro )
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