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Original Article
Wen-Jie Zhang, Yan-Xia Sui, Arun Budha, Jian-Bao Zheng, Xue-Jun Sun, Ying-Chun Hou, Thomas D Wang, Shao-Ying Lu 
World J Gastroenterol 18(17):2053-2060. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2053
Brief Article
Ingmar Königsrainer, Derek Zieker, Jörg Glatzle, Olivia Lauk, Julia Klimek, Stephan Symons, Björn Brücher, Stefan Beckert, Alfred Königsrainer 
World J Gastroenterol 18(17):2061-2066. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2061
Christian Felley, Hanifa Bouzourene, Marianne Bründler G VanMelle, Antoine Hadengue, Pierre Michetti, Gian Dorta, Laurent Spahr, Emiliano Giostra, Jean Louis Frossard 
World J Gastroenterol 18(17):2076-2083. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2076
Gemma Òdena, Mireia Miquel, Anna Serafín, Amparo Galan, Rosa Morillas, Ramon Planas, Ramon Bartolí 
World J Gastroenterol 18(17):2084-2091. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2084
Yasuo Kakugawa, Yutaka Saito, Shoichi Saito, Kenji Watanabe, Naoki Ohmiya, Mitsuyuki Murano, Shiro Oka, Tetsuo Arakawa, Hidemi Goto, Kazuhide Higuchi, Shinji Tanaka, Hideki Ishikawa, Hisao Tajiri 
World J Gastroenterol 18(17):2092-2098. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2092
Taku Tabata, Terumi Kamisawa, Kensuke Takuma, Seiichi Hara, Sawako Kuruma, Yoshihiko Inaba 
World J Gastroenterol 18(17):2099-2104. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2099
Peng Wang, Li Zhang, Jian-Ming Jiang, Dan Ma, Hao-Xia Tao, Sheng-Ling Yuan, Yan-Chun Wang, Ling-Chun Wang, Hao Liang, Zhao-Shan Zhang, Chun-Jie Liu 
World J Gastroenterol 18(17):2112-2120. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2112
Jia-Qing Gong, Guo-Hu Zhang, Fu-Zhou Tian, Yong-Hua Wang, Lin Zhang, Yong-Kuan Cao, Pei-Hong Wang 
World J Gastroenterol 18(17):2127-2131. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2127
Case Report
Tomohiro Terai, Mitsushige Sugimoto, Hiroki Uozaki, Tetsushi Kitagawa, Mana Kinoshita, Satoshi Baba, Takanori Yamada, Satoshi Osawa, Ken Sugimoto 
World J Gastroenterol 18(17):2140-2144. Published online May 7, 2012. doi: 10.3748/wjg.v18.i17.2140