Authors: A González-Ojeda; J Avalos-González; M I Muciño-Hernández; A López-Ortega; C Fuentes-Orozco; M Sánchez-Hochoa; R Anaya-Prado; H Arenas-Márquez Journal: Endoscopy Date: 2004-04 Impact factor: 10.093
Authors: Joseph Romagnuolo; Josée Parent; Té Vuong; Mélanie Bélanger; René P Michel; Paul J Belliveau; Judith L Trudel Journal: Can J Gastroenterol Date: 2004-07 Impact factor: 3.522