This document provides references for several key papers in upper GI tract that will be discussed in a power point presentation. The references are for papers on: 1) A randomized study comparing different drug regimens for eradicating Helicobacter pylori. 2) A study examining duodenal bulb biopsies in patients with celiac disease. 3) A comparison of laparoscopic anti-reflux surgery versus medication for treating GERD. 4) A study of risk of celiac disease in offspring based on mother's pregnancy outcomes. 5) A study finding that PPIs can exacerbate NSAID-induced small intestinal injuries by altering gut bacteria.