Authors: T N Brooklyn; M G S Dunnill; A Shetty; J J Bowden; J D L Williams; C E M Griffiths; A Forbes; R Greenwood; C S Probert Journal: Gut Date: 2005-09-27 Impact factor: 23.059
Authors: Stephen B Hanauer; Brian G Feagan; Gary R Lichtenstein; Lloyd F Mayer; S Schreiber; Jean Frederic Colombel; Daniel Rachmilewitz; Douglas C Wolf; Allan Olson; Weihang Bao; Paul Rutgeerts Journal: Lancet Date: 2002-05-04 Impact factor: 79.321
Authors: Miguel Regueiro; John Valentine; Scott Plevy; Mark R Fleisher; Gary R Lichtenstein Journal: Am J Gastroenterol Date: 2003-08 Impact factor: 10.864