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Open-Access Journal
Editorial
Review
Patrizia Burra, Debora Bizzaro, Rachele Ciccocioppo, Fabio Marra, Anna Chiara Piscaglia, Laura Porretti, Antonio Gasbarrini, Francesco Paolo Russo 
World J Gastroenterol 17(34):3870-3880. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3870
Claudio M Mastroianni, Miriam Lichtner, Rita Citton, Cosmo Del Borgo, Angela Rago, Helene Martini, Giuseppe Cimino, Vincenzo Vullo 
World J Gastroenterol 17(34):3881-3887. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3881
Original Article
Borja Hernández-Breijo, Jorge Monserrat, Sara Ramírez-Rubio, Eva P Cuevas, Diana Vara, Inés Díaz-Laviada, M Dolores Fernández-Moreno, Irene D Román, Javier P Gisbert, Luis G Guijarro 
World J Gastroenterol 17(34):3899-3911. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3899
Brief Article
Mark Metwally, Nicholas Agresti, William B Hale, Victor Ciofoaia, Ryan O'Connor, Michael B Wallace, Jonathan Fine, Yun Wang, Seth A Gross 
World J Gastroenterol 17(34):3912-3915. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3912
Paula VP Guerra, Luiza N Lima, Tassia C Souza, Vanessa Mazochi, Francisco J Penna, Andreia M Silva, Jacques R Nicoli, Elizabet V Guimarães 
World J Gastroenterol 17(34):3916-3921. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3916
Yong-Gang Wei, Fei Liu, Bo Li, Xi Chen, Yu Ma, Lv-Nan Yan, Tian-Fu Wen, Ming-Qing Xu, Wen-Tao Wang, Jia-Yin Yang 
World J Gastroenterol 17(34):3941-3947. Published online Sep 14, 2011. doi: 10.3748/wjg.v17.i34.3941
Case Report