McConnell Ryan A, Mahadevan Uma
Division of Gastroenterology, University of California, San Francisco, San Francisco, California.
Division of Gastroenterology, UCSF Center for Colitis and Crohn's Disease, San Francisco, California.
Clin Gastroenterol Hepatol. 2016 Sep;14(9):1293-5. doi: 10.1016/j.cgh.2016.05.028. Epub 2016 Jun 2.