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Open-Access Journal
Editorial
Gabrio Bassotti, Vincenzo Villanacci, Dragos Creƫoiu, Sanda Maria Creƫoiu, Gabriel Becheanu 
World J Gastroenterol 19(26):4099-4105. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4099
Review
Original Article
Ying-Hua Niu, Dong-Lin Yin, Hong-Li Liu, Rui-Tian Yi, Yu-Cong Yang, Hong-An Xue, Tian-Yan Chen, Shu-Lin Zhang, Shu-Mei Lin, Ying-Ren Zhao 
World J Gastroenterol 19(26):4146-4154. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4146
Lin-Hai Yan, Xiao-Tong Wang, Jie Yang, Chao Lian, Fan-Biao Kong, Wei-Yuan Wei, Wen Luo, Qiang Xiao, Yu-Bo Xie 
World J Gastroenterol 19(26):4155-4165. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4155
Brief Article
Helena Monzón, Montserrat Forné, Maria Esteve, Mercé Rosinach, Carme Loras, Jorge C Espinós, Josep M Viver, Antonio Salas, Fernando Fernández-Bañares 
World J Gastroenterol 19(26):4166-4171. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4166
Sook Hee Chung, Soo Jung Park, Jong Suk Hong, Jee Young Hwang, Sin Ae Lee, Kyung Ran Kim, Hye Sun Lee, Sung Pil Hong, Jae Hee Cheon, Tae Il Kim, Won Ho Kim 
World J Gastroenterol 19(26):4177-4184. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4177
Jia Hui Li, May Ying Leong, Kong Boo Phua, Yee Low, Ajmal Kader, Veena Logarajah, Lin Yin Ong, Joyce HY Chua, Christina Ong 
World J Gastroenterol 19(26):4185-4191. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4185
Yuan Cheng, Ze-Sheng Jiang, Xiao-Ping Xu, Zhi Zhang, Ting-Cheng Xu, Chen-Jie Zhou, Jia-Sheng Qin, Guo-Lin He, Yi Gao, Ming-Xin Pan 
World J Gastroenterol 19(26):4209-4213. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4209
Chang-Qing Li, Ya Li, Xiu-Li Zuo, Rui Ji, Zhen Li, Xiao-Meng Gu, Tao Yu, Qing-Qing Qi, Cheng-Jun Zhou, Yan-Qing Li 
World J Gastroenterol 19(26):4221-4227. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4221
De-Run Kong, Chao Ma, Min Wang, Jing-Guang Wang, Chen Chen, Lei Zhang, Jia-Hu Hao, Pan Li, Jian-Ming Xu 
World J Gastroenterol 19(26):4228-4233. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4228
Meta-Analysis
Case Report
Ramprasad Jegadeesan, Xiuli Liu, Mangesh R Pagadala, Norma Gutierrez, Mujtaba Butt, Udayakumar Navaneethan 
World J Gastroenterol 19(26):4252-4256. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4252
Georgi Atanasov, Christoph Benckert, Armin Thelen, Dennis Tappe, Matthias Frosch, Dieter Teichmann, Thomas FE Barth, Christian Wittekind, Stefan Schubert, Sven Jonas 
World J Gastroenterol 19(26):4257-4261. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4257
Hiroya Ueyama, Kenshi Matsumoto, Akihito Nagahara, Ryosuke Gushima, Takuo Hayashi, Takashi Yao, Sumio Watanabe 
World J Gastroenterol 19(26):4262-4266. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4262
Ken Hatogai, Yasuhiro Oono, Kuang-I Fu, Tomoyuki Odagaki, Hiroaki Ikematsu, Takashi Kojima, Tomonori Yano, Kazuhiro Kaneko 
World J Gastroenterol 19(26):4267-4270. Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4267