1. Volume 143, Issue 5, Pages 1199-1206 (November 2012)
Hormone Therapy Increases Risk of Ulcerative Colitis but not Crohn's Disease 
Hamed Khalili, Leslie M. Higuchi, Ashwin N. Ananthakrishnan, JoAnn E. Manson, Diane Feskanich, James M. Richter, Charles S. Fuchs, Andrew T. Chan 
Gastroenterology 
Volume 143, Issue 5, Pages (November 2012)
DOI: /j.gastro
Copyright © 2012 AGA Institute Terms and Conditions

2. Figure 1 Flow of eligible participants in the study.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2012 AGA Institute Terms and Conditions