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Open-Access Journal
Editorial
Matteo Fassan, Carlo M Croce, Massimo Rugge 
World J Gastroenterol 17(48):5231-5239. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5231
Po-Shiuan Hsieh, Yen-Ju Hsieh 
World J Gastroenterol 17(48):5240-5245. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5240
Topic Highlight
Epameinondas V Tsianos, Konstantinos H Katsanos, Vasileios E Tsianos 
World J Gastroenterol 17(48):5246-5259. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5246
Original Article
Ying Qiu, Ming-Bao Xu, Mark M Yun, Yi-Zhong Wang, Rui-Ming Zhang, Xing-Kai Meng, Xiao-Hui Ou-Yang, Sheng Yun 
World J Gastroenterol 17(48):5260-5266. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5260
Xin Lv, Jian-Gang Song, Hong-Hai Li, Jun-Ping Ao, Ping Zhang, Ye-Sheng Li, Shao-Li Song, Xiang-Rui Wang 
World J Gastroenterol 17(48):5267-5273. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5267
Brief Article
Kai Bachmann, Geeske Krause, Tamina Rawnaq, Lena Tomkotter, Yogesh Vashist, Shanly Shahmiri, Jakob R Izbicki, Maximilian Bockhorn 
World J Gastroenterol 17(48):5274-5279. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5274
Giovanni Tarantino, Francesco Scopacasa, Annamaria Colao, Domenico Capone, Marianna Tarantino, Ernesto Grimaldi, Silvia Savastano 
World J Gastroenterol 17(48):5280-5288. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5280
Andres Castillo, Chihaya Koriyama, Michiyo Higashi, Muhammad Anwar, Mulazim Hussain Bukhari, Edwin Carrascal, Lida Mancilla, Hiroshi Okumura, Masataka Matsumoto, Kazumasa Sugihara, Shoji Natsugoe, Yoshito Eizuru, Suminori Akiba 
World J Gastroenterol 17(48):5295-5304. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5295
Ron Benyair, Maria Kondratyev, Elena Veselkin, Sandra Tolchinsky, Marina Shenkman, Yoav Lurie, Gerardo Z Lederkremer 
World J Gastroenterol 17(48):5305-5309. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5305
Chan Ho Park, Hee Cheol Kim, Yong Beom Cho, Seong Hyeon Yun, Woo Yong Lee, Young Suk Park, Doo Ho Choi, Ho-Kyung Chun 
World J Gastroenterol 17(48):5310-5316. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5310
Case Report
Letter to the Editor
Pankaj Jain 
World J Gastroenterol 17(48):5327-5328. Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5327
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