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Editorial
Topic Highlight
Alina Stoita, Ian D Penman, David B Williams 
World J Gastroenterol 17(19):2365-2371. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2365
Review
Original Article
Jian-Hong Chu, Hui Wang, Yan Ye, Ping-Kei Chan, Si-Yuan Pan, Wang-Fun Fong, Zhi-Ling Yu 
World J Gastroenterol 17(19):2379-2388. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2379
Bao-Cheng Zhao, Zhen-Jun Wang, Wei-Zheng Mao, Hua-Chong Ma, Jia-Gang Han, Bo Zhao, Hui-Min Xu 
World J Gastroenterol 17(19):2389-2396. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2389
Xiao-Lei Shi, Jin-Yang Gu, Yue Zhang, Bing Han, Jiang-Qiang Xiao, Xian-Wen Yuan, Ning Zhang, Yi-Tao Ding 
World J Gastroenterol 17(19):2397-2406. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2397
Brief Article
Gabriele Naldini, Guido Cerullo, Claudia Menconi, Jacopo Martellucci, Simone Orlandi, Nicola Romano, Mauro Rossi 
World J Gastroenterol 17(19):2411-2416. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2411
Hala E Hamouda, Soha S Zakaria, Saber A Ismail, Mahmoud A Khedr, Wael W Mayah 
World J Gastroenterol 17(19):2417-2423. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2417
Vera Artiko, Ana Koljevic Marković, Dragana Šobić-Šaranović, Milorad Petrović, Andrija Antić, Mirjana Stojković, Marinko Žuvela, Djordjije Šaranović, Milica Stojković, Nebojša Radovanović, Danijel Galun, Aleksandar Milovanović, Jovica Milovanović, Anica Bobić-Radovanović, Zoran Krivokapic, Vladimir Obradović 
World J Gastroenterol 17(19):2424-2430. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2424
Ming-Yao Su, Cheng-Tang Chiu, Wei-Pin Lin, Chen-Ming Hsu, Pang-Chi Chen 
World J Gastroenterol 17(19):2431-2436. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2431
Min Yue, Zhe Shen, Chao-Hui Yu, Hua Ye, Yue-Fang Ye, You-Ming Li 
World J Gastroenterol 17(19):2437-2445. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2437
Case Report
Giovanni Abbadessa, Lorenza Rimassa, Tiziana Pressiani, Cynthia Carrillo-Infante, Emanuele Cucchi, Armando Santoro 
World J Gastroenterol 17(19):2450-2453. Published online May 21, 2011. doi: 10.3748/wjg.v17.i19.2450
Letters To The Editor