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Topic Highlight
Epameinondas V Tsianos, Konstantinos H Katsanos, Vasileios E Tsianos 
World J Gastroenterol 18(2):105-118. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.105
Review
Hai-Xia Wang, Man Liu, Shun-Yan Weng, Jing-Jing Li, Chao Xie, Hong-Lin He, Wen Guan, Yun-Sheng Yuan, Jin Gao 
World J Gastroenterol 18(2):119-125. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.119
Original Article
Brief Article
Lino Polese, Riccardo Boetto, Giuseppe De Franchis, Imerio Angriman, Andrea Porzionato, Lorenzo Norberto, Giacomo Carlo Sturniolo, Veronica Macchi, Raffaele De Caro, Stefano Merigliano 
World J Gastroenterol 18(2):144-149. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.144
Masahide Hamaguchi, Takao Kojima, Akihiro Ohbora, Noriyuki Takeda, Michiaki Fukui, Takahiro Kato 
World J Gastroenterol 18(2):156-167. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.156
Kawin Leelawat, Siriluck Narong, Wandee Udomchaiprasertkul, Jerasak Wannaprasert, Sa-ard Treepongkaruna, Somboon Subwongcharoen, Tawee Ratanashu-ek 
World J Gastroenterol 18(2):175-181. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.175
Shu-Guang Jin, Bo Xiang, Lu-Nan Yan, Zhe-Yu Chen, Jia-Ying Yang, Ming-Qing Xu, Wen-Tao Wang 
World J Gastroenterol 18(2):182-187. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.182
Case Report
Roberto J Carvalho-Filho, Janaína Luz Narciso-Schiavon, Luciano HL Tolentino, Leonardo L Schiavon, Maria Lucia G Ferraz, Antonio Eduardo B Silva 
World J Gastroenterol 18(2):188-191. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.188
Takehiro Kato, Atsumasa Komori, Sung-Kwan Bae, Kiyoshi Migita, Masahiro Ito, Yasuhide Motoyoshi, Seigo Abiru, Hiromi Ishibashi 
World J Gastroenterol 18(2):192-196. Published online Jan 14, 2012. doi: 10.3748/wjg.v18.i2.192