1. Risk of Upper Gastrointestinal Cancers in Patients With Gastroesophageal Reflux Disease After a Negative Screening Endoscopy 
Mohammad H. Shakhatreh, Zhigang Duan, Nathaniel Avila, Aanand D. Naik, Jennifer R. Kramer, Marilyn Hinojosa-Lindsey, John Chen, Hashem B. El-Serag 
Clinical Gastroenterology and Hepatology 
Volume 13, Issue 2, Pages (February 2015)
DOI: /j.cgh
Copyright © 2015 AGA Institute Terms and Conditions

2. Figure 1
Flow diagram of study population. CPT, Current Procedural Terminology; EC, esophageal cancer; GC, gastric cancer.
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2015 AGA Institute Terms and Conditions