Shah Brijen J, Rose Suzanne
Henry D. Janowitz Division of Gastroenterology, Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
Gastroenterology. 2012 Apr;142(4):684-9. doi: 10.1053/j.gastro.2012.02.031. Epub 2012 Feb 23.