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Editorial
Topic Highlight
Metin Basaranoglu, Nesrin Turhan, Abdullah Sonsuz, Gökcen Basaranoglu 
World J Gastroenterol 17(17):2172-2177. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2172
Review
Zhe Zhang, Yi-You Zou, Fu-Jun Li, Chang-Ping Hu 
World J Gastroenterol 17(17):2178-2180. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2178
Original Article
David Díaz-Jiménez, Lucía E Núñez, Caroll J Beltrán, Enzo Candia, Cristóbal Suazo, Manuel Álvarez-Lobos, María-Julieta González, Marcela A Hermoso, Rodrigo Quera 
World J Gastroenterol 17(17):2181-2190. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2181
Wei Cao, Zhi-Feng Qiu, Tai-Sheng Li 
World J Gastroenterol 17(17):2191-2198. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2191
Brief Article
Matthias Glanemann, Daniel Knobeloch, Sabrina Ehnert, Mihaela Culmes, Claudine Seeliger, Daniel Seehofer, Andreas K Nussler 
World J Gastroenterol 17(17):2199-2205. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2199
Ioan Sporea, Iulia Raţiu, Roxana Şirli, Alina Popescu, Simona Bota 
World J Gastroenterol 17(17):2206-2210. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2206
Vanya A Gerova, Simeon G Stoynov, Dimitar S Katsarov, Dobrin A Svinarov 
World J Gastroenterol 17(17):2211-2215. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2211
Vanya A Gerova, Simeon G Stoynov, Dimitar S Katsarov, Dobrin A Svinarov 
World J Gastroenterol 17(17):2211-2215. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.
Byung Hyo Cha, Jin-Hyeok Hwang, Sang Hyub Lee, Jang Eon Kim, Jai Young Cho, Haeryoung Kim, So Yeon Kim 
World J Gastroenterol 17(17):2216-2222. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2216
Tomohiro Kudo, Shinichi Okamura, Yajing Zhang, Takashige Masuo, Masatomo Mori 
World J Gastroenterol 17(17):2223-2228. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2223
Akihito Idetsu, Taketoshi Suehiro, Kohji Okada, Tatsuo Shimura, Hiroyuki Kuwano 
World J Gastroenterol 17(17):2229-2235. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2229
Yong-Ning Xin, Zhong-Hua Lin, Xiang-Jun Jiang, Shu-Hui Zhan, Quan-Jiang Dong, Qing Wang, Shi-Ying Xuan 
World J Gastroenterol 17(17):2248-2254. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2248
Case Report
Nicolas Williet, Olivier Dubreuil, Tarek Boussaha, Isabelle Trouilloud, Bruno Landi, Martin Housset, Muriel Botti, Philippe Rougier, Jacques Belghiti, Julien Taieb 
World J Gastroenterol 17(17):2255-2258. Published online May 7, 2011. doi: 10.3748/wjg.v17.i17.2255