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Open-Access Journal
Editorial
Piero Amodio, Laura Salari, Sara Montagnese, Sami Schiff, Daniele Neri, Tonino Bianco, Lina Minazzato 
World J Gastroenterol 18(19):2295-2299. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2295
Review
Meir Mizrahi, Ami Ben Ya'acov, Yaron Ilan 
World J Gastroenterol 18(19):2309-2319. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2309
Original Article
Norifumi Ohashi, Tomohide Hori, Florence Chen, Sura Jermanus, Christopher B Eckman, Akimasa Nakao, Shinji Uemoto, Justin H Nguyen 
World J Gastroenterol 18(19):2320-2333. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2320
Shuang-Fen Tao, Chang-Song Zhang, Xian-Ling Guo, Yun Xu, Shan-Shan Zhang, Jian-Rui Song, Rong Li, Meng-Chao Wu, Li-Xin Wei 
World J Gastroenterol 18(19):2334-2343. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2334
Fu-Xi Zhou, Lu Chen, Xiao-Wei Liu, Chun-Hui Ouyang, Xiao-Ping Wu, Xue-Hong Wang, Chun-Lian Wang, Fang-Gen Lu 
World J Gastroenterol 18(19):2344-2356. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2344
Brief Article
Hiroyuki Isayama, Takeshi Tsujino, Yousuke Nakai, Takashi Sasaki, Keiichi Nakagawa, Hideomi Yamashita, Taku Aoki, Kazuhiko Koike 
World J Gastroenterol 18(19):2364-2370. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2364
Hyuk Soon Choi, Hoon Jai Chun, Sang Hoon Park, Bora Keum, Yeon Seok Seo, Yong Sik Kim, Yoon-Tae Jeen, Soon Ho Um, Hong Sik Lee, Chang Duck Kim, Ho Sang Ryu 
World J Gastroenterol 18(19):2377-2382. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2377
Khanitta Srimuangwong, Chainarong Tocharus, Pornphrom Yoysungnoen Chintana, Apichart Suksamrarn, Jiraporn Tocharus 
World J Gastroenterol 18(19):2383-2389. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2383
Abdallah A Kobeissy, Jana G Hashash, Faek R Jamali, Assaad M Skoury, Reham Haddad, Sarah El-Samad, Rami Ladki, Rola Aswad, Assaad M Soweid 
World J Gastroenterol 18(19):2390-2395. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2390
Chi-Liang Cheng, Yung-Kuan Tsou, Cheng-Hui Lin, Jui-Hsiang Tang, Chien-Fu Hung, Kai-Feng Sung, Ching-Song Lee, Nai-Jen Liu 
World J Gastroenterol 18(19):2396-2401. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2396
Deng Luo, Ming-Liang Lu, Gong-Fang Zhao, Hua Huang, Meng-Yao Zheng, Jiang Chang, Lin Lv, Jin-Bo Luo 
World J Gastroenterol 18(19):2423-2429. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2423
Case Report
Alexandre Khodr Furtado, Virginia Lucia Ribeiro Cabral, Thiago Nunes Santos, Eli Mansour, Cristiane Kibune Nagasako, Sonia Leticia Lorena, Rogerio Antunes Pereira-Filho 
World J Gastroenterol 18(19):2430-2433. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2430
Kenji Okumura, Masahiko Ikebe, Tatsuro Shimokama, Morishige Takeshita, Nao Kinjo, Keishi Sugimachi, Hidefumi Higashi 
World J Gastroenterol 18(19):2434-2437. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2434
Letters To The Editor
Tomasz Stefaniak, Ad Vingerhoets, Zbigniew Sledzinski 
World J Gastroenterol 18(19):2441-2442. Published online May 21, 2012. doi: 10.3748/wjg.v18.i19.2441