Regueiro Miguel, Barrie Arthur M
Inflammatory Bowel Disease, University of Pittsburgh School of Medicine, UPMC-PUH Mezzanine Level, C-Wing, 200 Lothrop Street, Pittsburgy, PA 15213, USA.
Gastroenterol Clin North Am. 2009 Dec;38(4):ix-x. doi: 10.1016/j.gtc.2009.09.001.