Chanjuan Shi, M.D., Ph.D. (IMAGE) University of Miami Miller School of Medicine Caption Chanjuan Shi, M.D., Ph.D., chief of Gastrointestinal Pathology Service, Duke University School of Medicine. Credit Photo by Duke Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.