1. Systematic Review of Tumor Necrosis Factor Antagonists in Extraintestinal Manifestations in Inflammatory Bowel Disease 
Laurent Peyrin-Biroulet, Gert Van Assche, David Gómez-Ulloa, Laura García-Álvarez, Núria Lara, Chris M. Black, Sumesh Kachroo 
Clinical Gastroenterology and Hepatology 
Volume 15, Issue 1, Pages e27 (January 2017)
DOI: /j.cgh
Copyright © 2017 AGA Institute Terms and Conditions

2. Supplementary Figure 1
PRISMA flow diagram: interventional studies. RCT, randomized controlled trial.
Clinical Gastroenterology and Hepatology  , e27DOI: ( /j.cgh )
Copyright © 2017 AGA Institute Terms and Conditions

3. Supplementary Figure 2
PRISMA flow diagram: non-interventional studies.
Clinical Gastroenterology and Hepatology  , e27DOI: ( /j.cgh )
Copyright © 2017 AGA Institute Terms and Conditions