Authors: A J Dormann; B Wigginghaus; H Risius; F Kleimann; A Kloppenborg; T Grünewald; H Huchzermeyer Journal: Am J Gastroenterol Date: 1999-11 Impact factor: 10.864
Authors: N K Jain; D E Larson; K W Schroeder; D D Burton; K P Cannon; R L Thompson; E P DiMagno Journal: Ann Intern Med Date: 1987-12 Impact factor: 25.391
Authors: W L Akkersdijk; J D van Bergeijk; T van Egmond; C J Mulder; G P van Berge Henegouwen; C van der Werken; K J van Erpecum Journal: Endoscopy Date: 1995-05 Impact factor: 10.093