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Topic Highlight
Michael D Drepper, Laurent Spahr, Jean Louis Frossard 
World J Gastroenterol 18(18):2161-2171. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2161
Review
Original Article
Abeer A Al Masri, Eman El Eter 
World J Gastroenterol 18(18):2188-2196. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2188
Brief Article
Lucivalda PM Oliveira, Rosangela P de Jesus, Ramona SSB Boulhosa, Carlos Mauricio C Mendes, Maria Cecilia Gnoatto, Denise C Lemaire, Maria Betania P Toralles, Lourianne N Cavalcante, Andre C Lyra, Luiz GC Lyra 
World J Gastroenterol 18(18):2203-2211. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2203
Neven Ljubicic, Ivan Budimir, Alen Biscanin, Marko Nikolic, Vladimir Supanc, Davor Hrabar, Tajana Pavic 
World J Gastroenterol 18(18):2219-2224. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2219
Naoki Mori, Kazunori Nakasone, Koh Tomimori, Chie Ishikawa 
World J Gastroenterol 18(18):2225-2230. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2225
Yeon Soo Kim, Joon Seong Lee, Tae Hee Lee, Joo Young Cho, Jin Oh Kim, Wan Jung Kim, Hyun Gun Kim, Seong Ran Jeon, Hoe Su Jeong 
World J Gastroenterol 18(18):2231-2237. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2231
Farahnaz Joukar, Fariborz Mansour-Ghanaei, Fatemeh Soati, Panah Meskinkhoda 
World J Gastroenterol 18(18):2238-2244. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2238
Adnan Khan, Amber Farooqui, Hamid Manzoor, Syed Shakeel Akhtar, Muhammad Saeed Quraishy, Shahana Urooj Kazmi 
World J Gastroenterol 18(18):2245-2252. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2245
Ying-Xia Zheng, Ming Yang, Ting-Ting Rong, Xiang-Liang Yuan, Yan-Hui Ma, Zhi-Hao Wang, Li-Song Shen, Long Cui 
World J Gastroenterol 18(18):2253-2261. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2253
Jian-Wen Ning, Guan-Bin Lin, Feng Ji, Jia Xu, Najeeb Sharify 
World J Gastroenterol 18(18):2262-2269. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2262
Xiao-Huang Tu, Jing-Xiang Song, Xiao-Jun Xue, Xian-Wei Guo, Yun-Xia Ma, Zhi-Yao Chen, Zhong-Dong Zou, Lie Wang 
World J Gastroenterol 18(18):2270-2279. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2270
Rong-Li Piao, David R Brigstock, Jie Zhu, Man-Li Zhang, Run-Ping Gao 
World J Gastroenterol 18(18):2280-2286. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2280
Case Report
Jamie B Sodikoff, Steven A Keilin, Qiang Cai, Sheila J Bharmal, Melinda M Lewis, Gottumukkala S Raju, Field F Willingham 
World J Gastroenterol 18(18):2287-2290. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2287
Yeon Hwa Yu, Joo Hyun Sohn, Tae Yeob Kim, Jae Yoon Jeong, Dong Soo Han, Yong Cheol Jeon, Min Young Kim 
World J Gastroenterol 18(18):2291-2294. Published online May 14, 2012. doi: 10.3748/wjg.v18.i18.2291