1. Do Not Assume Symptoms Indicate Failure of Anti–Tumor Necrosis Factor Therapy in Crohn's Disease 
David H. Bruining, William J. Sandborn 
Clinical Gastroenterology and Hepatology 
Volume 9, Issue 5, Pages (May 2011)
DOI: /j.cgh
Copyright © 2011 AGA Institute Terms and Conditions

2. Figure 1
Diagnostic approach to Crohn's disease patients who remain symptomatic on anti-TNF therapy.
Clinical Gastroenterology and Hepatology 2011 9, DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions

3. Figure 2
Management approach to active Crohn's disease despite anti-TNF therapy.
Clinical Gastroenterology and Hepatology 2011 9, DOI: ( /j.cgh )
Copyright © 2011 AGA Institute Terms and Conditions