Authors: Sandeep Patel; John J Vargo; Farah Khandwala; Rocio Lopez; Pat Trolli; John A Dumot; Darwin L Conwell; Gregory Zuccaro Journal: Am J Gastroenterol Date: 2005-12 Impact factor: 10.864
Authors: Robert L Barclay; Joseph J Vicari; Andrea S Doughty; John F Johanson; Roger L Greenlaw Journal: N Engl J Med Date: 2006-12-14 Impact factor: 91.245
Authors: Lawrence B Cohen; Charles D Hightower; Daniel A Wood; Kenneth M Miller; James Aisenberg Journal: Gastrointest Endosc Date: 2004-06 Impact factor: 9.427