1. Inverse Association Between Poor Oral Health and Inflammatory Bowel Diseases 
Weiyao Yin, Jonas F. Ludvigsson, Zhiwei Liu, Ann Roosaar, Tony Axéll, Weimin Ye 
Clinical Gastroenterology and Hepatology 
Volume 15, Issue 4, Pages (April 2017)
DOI: /j.cgh
Copyright © 2017 AGA Institute Terms and Conditions

2. Figure 1
Flow chart of recruitment of the cohort. During 1973–1974, a population-based cohort in Uppsala County was created. All residents in 2 municipalities aged 15 years or older were invited. The final study cohort comprised of 20,162 individuals after ruling out individuals with missing data in covariates or an earlier IBD diagnosis.
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2017 AGA Institute Terms and Conditions