1. Opioids in Gastroenterology: Treating Adverse Effects and Creating Therapeutic Benefits 
Michael Camilleri, Anthony Lembo, David A. Katzka 
Clinical Gastroenterology and Hepatology 
Volume 15, Issue 9, Pages (September 2017)
DOI: /j.cgh
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2. Figure 1 BFI assessment tool and instructions for use.
Reproduced with permission from Rentz AM, et al. J Med Econ 2009;12:371–383.
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2017 AGA Institute Terms and Conditions