James D Lewis1. 1. Clinical Epidemiology and Biostatistics Raymond and Ruth Perelman School of Medicine University of Pennsylvania Philadelphia, Pennsylvania, USA.
Authors: Lisa J Herrinton; Liyan Liu; Xiaoping Weng; James D Lewis; Susan Hutfless; James E Allison Journal: Am J Gastroenterol Date: 2011-10-25 Impact factor: 10.864
Authors: Gert Van Assche; James D Lewis; Gary R Lichtenstein; Edward V Loftus; Qin Ouyang; Julian Panes; Corey A Siegel; William J Sandborn; Simon P L Travis; Jean-Frederic Colombel Journal: Am J Gastroenterol Date: 2011-08-16 Impact factor: 10.864
Authors: Laurent Beaugerie; Nicole Brousse; Anne Marie Bouvier; Jean Frédéric Colombel; Marc Lémann; Jacques Cosnes; Xavier Hébuterne; Antoine Cortot; Yoram Bouhnik; Jean Pierre Gendre; Tabassome Simon; Marc Maynadié; Olivier Hermine; Jean Faivre; Fabrice Carrat Journal: Lancet Date: 2009-11-07 Impact factor: 79.321