1. Patient-Reported Outcome Measures for Use in Clinical Trials and Clinical Practice in Inflammatory Bowel Diseases: A Systematic Review 
Marin J. de Jong, Roxanne Huibregtse, Ad A.M. Masclee, Daisy M.A.E. Jonkers, Marie J. Pierik 
Clinical Gastroenterology and Hepatology 
Volume 16, Issue 5, Pages e3 (May 2018)
DOI: /j.cgh
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2. Figure 1
Flowchart illustrating published studies included in the systematic review.
Clinical Gastroenterology and Hepatology  , e3DOI: ( /j.cgh )
Copyright © 2018 AGA Institute Terms and Conditions