Khan Amir Maqbul, Hundal Ranjit, Manzoor Kamran, Dhuper Sunil, Korsten Mark Allen
Departments of Medicine and Gastroenterology, Veterans Affairs Medical Center, Bronx, New York, USA.
Scand J Gastroenterol. 2006 Feb;41(2):125-30. doi: 10.1080/00365520500377862.