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Open-Access Journal
Editorial
Review
Seng-Kee Chuah, Chien-Hua Chiu, Wei-Chen Tai, Jyong-Hong Lee, Hung-I Lu, Chi-Sin Changchien, Ping-Huei Tseng, Keng-Liang Wu 
World J Gastroenterol 19(33):5421-5429. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5421
Ping Liang, Jie Yu, Ming-De Lu, Bao-Wei Dong, Xiao-Ling Yu, Xiao-Dong Zhou, Bing Hu, Ming-Xing Xie, Wen Cheng, Wen He, Jian-Wen Jia, Guo-Rong Lu 
World J Gastroenterol 19(33):5430-5438. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5430
Minireviews
Original Article
Annika Gauss, Robert Ehehalt, Wolf-Dieter Lehmann, Gerhard Erben, Karl-Heinz Weiss, Yvonne Schaefer, Petra Kloeters-Plachky, Adolf Stiehl, Wolfgang Stremmel, Peter Sauer, Daniel Nils Gotthardt 
World J Gastroenterol 19(33):5454-5463. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5454
Bing Yan, Jun Shi, Li-Juan Xiu, Xuan Liu, Yu-Qi Zhou, Shou-Han Feng, Can Lv, Xiu-Xia Yuan, Yin-Cheng Zhang, Yong-Jin Li, Pin-Kang Wei, Zhi-Feng Qin 
World J Gastroenterol 19(33):5473-5484. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5473
Brief Article
Atsushi Iraha, Hiroshi Chinen, Akira Hokama, Takumi Yonashiro, Tetsu Kinjo, Kazuto Kishimoto, Manabu Nakamoto, Tetsuo Hirata, Nagisa Kinjo, Futoshi Higa, Masao Tateyama, Fukunori Kinjo, Jiro Fujita 
World J Gastroenterol 19(33):5500-5507. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5500
Ratha-korn Vilaichone, Yoshio Yamaoka, Seiji Shiota, Thawee Ratanachu-ek, Lotay Tshering, Tomohisa Uchida, Toshio Fujioka, Varocha Mahachai 
World J Gastroenterol 19(33):5508-5512. Published online Sep 7, 2013. doi: 10.3748/wjg.v19.i33.5508
Meta-Analysis
Case Report