Sleisenger and Fordtran's Gastrointestinal and Liver Disease Review and Assessment, 12th Edition

Emad Qayed, MD, MPH, Associate Professor of Medicine, Department of Medicine, Division of Digestive Diseases, Emory University School of Medicine, Atlanta, GA and Nikrad Shahnavaz, MD, Associate Professor of Medicine, Division of Digestive Diseases, Grady Memorial Hospital, Emory University School of Medicine