Friedman Sonia, McElrath Thomas F, Wolf Jacqueline L
*Division of Gastroenterology, and †Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts; and ‡Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
Inflamm Bowel Dis. 2013 Dec;19(13):2937-48. doi: 10.1097/MIB.0b013e3182a0ea6f.