Grunwald Douglas, Najarian Robert, Feuerstein Joseph D
Department of Medicine and Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
Gastroenterology. 2016 Apr;150(4):825-6. doi: 10.1053/j.gastro.2015.11.051.