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Open-Access Journal
Editorial
Topic Highlight
Jose M Enríquez-Navascués, Nerea Borda, Aintzane Lizerazu, Carlos Placer, Jose L Elosegui, Juan P Ciria, Adelaida Lacasta, Luis Bujanda 
World J Gastroenterol 17(13):1674-1684. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1674
Guidelines For Clinical Practice
Zong-Ming Zhang, Jin-Xing Guo, Zi-Chao Zhang, Nan Jiang, Zhen-Ya Zhang, Li-Jie Pan 
World J Gastroenterol 17(13):1685-1689. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1685
Review
Yan-Cheng Dai, Zhi-Peng Tang, Ya-Li Zhang 
World J Gastroenterol 17(13):1690-1693. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1690
Original Article
Marjan Mehrab-Mohseni, Hossein Sendi, Nury Steuerwald, Sriparna Ghosh, Laura W Schrum, Herbert L Bonkovsky 
World J Gastroenterol 17(13):1694-1700. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1694
Sadettin Hulagu, Omer Senturk, Cem Aygun, Orhan Kocaman, Altay Celebi, Tolga Konduk, Deniz Koc, Goktug Sirin, Ugur Korkmaz, Ali Erkan Duman, Neslihan Bozkurt, Gokhan Dindar, Tan Attila, Yesim Gurbuz, Orhan Tarcin, Cem Kalayci 
World J Gastroenterol 17(13):1701-1709. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1701
Yue-Zheng Zhang, Lian-Hai Zhang, Yang Gao, Chao-Hua Li, Shu-Qin Jia, Ni Liu, Feng Cheng, De-Yun Niu, William CS Cho, Jia-Fu Ji, Chang-Qing Zeng 
World J Gastroenterol 17(13):1710-1717. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1710
Wei-Li Qiao, Guang-Ming Wang, Yue Shi, Jin-Xia Wu, You-Jian Qi, Jian-Fu Zhang, Hong Sun, Chang-Dong Yan 
World J Gastroenterol 17(13):1718-1724. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1718
Brief Article
Michael Adler, Sarah Taylor, Kamalu Okebugwu, Herman Yee, Christine Fielding, George Fielding, Michael Poles 
World J Gastroenterol 17(13):1725-1731. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1725
Carlos Guarner-Argente, Henry Córdova, Graciela Martínez-Pallí, Ricard Navarro-Ripoll, Antonio Rodríguez-d’Jesús, Cristina Rodríguez de Miguel, Mireia Beltrán, Gloria Fernández-Esparrach 
World J Gastroenterol 17(13):1732-1738. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1732
Janine Rennert, Ernst-Michael Jung, Andreas G Schreyer, Patrick Hoffstetter, Peter Heiss, Stefan Feuerbach, Niels Zorger 
World J Gastroenterol 17(13):1739-1745. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1739
Jun Zhang, Pei-Lin Cui, Dong Lv, Shi-Wei Yao, You-Qing Xu, Zhao-Xu Yang 
World J Gastroenterol 17(13):1753-1758. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1753
Yi Guo, Jing Fang, Yan Liu, Hai-Hui Sheng, Xiao-Yan Zhang, Hai-Na Chai, Wei Jin, Ke-Hao Zhang, Chang-Qing Yang, Heng-Jun Gao 
World J Gastroenterol 17(13):1759-1765. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1759
Xin-Xin Zhou, Feng Ji, Liang Xu, Lin Li, Yi-Peng Chen, Jing-Jing Lu, Chun-Wei Wang, Wei Huang 
World J Gastroenterol 17(13):1766-1771. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1766
Yang Chen, Bao-Lin Liu, Bin Shang, Ai-Shan Chen, Shi-Qing Liu, Wei Sun, Hong-Zhuan Yin, Jian-Qiao Yin, Qi Su 
World J Gastroenterol 17(13):1779-1786. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1779
Case Report
Chin-Yuan Yii, Jen-Wei Chou, Yen-Chun Peng, Wai-Keung Chow 
World J Gastroenterol 17(13):1787-1790. Published online Apr 7, 2011. doi: 10.3748/wjg.v17.i13.1787