Authors: Stephen B Hanauer; Burton I Korelitz; Paul Rutgeerts; Mark A Peppercorn; Ronald A Thisted; Russell D Cohen; Daniel H Present Journal: Gastroenterology Date: 2004-09 Impact factor: 22.682
Authors: G R Greenberg; B G Feagan; F Martin; L R Sutherland; A B Thomson; C N Williams; L G Nilsson; T Persson Journal: N Engl J Med Date: 1994-09-29 Impact factor: 91.245