Gray Darrell M, Fisher Deborah A
Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, The Ohio State University College of Medicine, Columbus, Ohio.
Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina.
Clin Gastroenterol Hepatol. 2017 Nov;15(11):1651-1654. doi: 10.1016/j.cgh.2017.08.039.