Authors: A Gadano; R Moreau; J Heller; C Chagneau; F Vachiéry; C Trombino; A Elman; C Denié; D Valla; D Lebrec Journal: Gut Date: 1999-07 Impact factor: 23.059
Authors: Regina Maria Pereira; Robson Augusto Souza dos Santos; Filipi Leles da Costa Dias; Mauro Martins Teixeira; Ana Cristina Simões e Silva Journal: World J Gastroenterol Date: 2009-06-07 Impact factor: 5.742