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Open-Access Journal
Editorial
Hanna Telleman, Trevlyn Felicity Burger, Chris Jacob Johan Mulder 
World J Gastroenterol 15(15):1793-1798. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1793
Topic Highlight
Emmet B Keeffe, Jean-François Rossignol 
World J Gastroenterol 15(15):1805-1808. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1805
Review
Nimer Assy, Faris Nassar, Gattas Nasser, Maria Grosovski 
World J Gastroenterol 15(15):1809-1815. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1809
Original Articles
Yun Zeng, Gang Liu, Li-Ming Zhou 
World J Gastroenterol 15(15):1816-1820. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1816
Hai-Qiang Zhang, Tomas T Ding, Jun-Sheng Zhao, Xin Yang, Hai-Xia Zhang, Juan-Juan Zhang, Yun-Long Cui 
World J Gastroenterol 15(15):1821-1828. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1821
Xia Chen, Chang-Kai Sun, Guo-Zhu Han, Jin-Yong Peng, Ying Li, Yan-Xia Liu, Yuan-Yuan Lv, Ke-Xin Liu, Qin Zhou, Hui-Jun Sun 
World J Gastroenterol 15(15):1829-1835. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1829
Long Sun, Xin-Hui Su, Yong-Song Guan, Wei-Ming Pan, Zuo-Ming Luo, Ji-Hong Wei, Long Zhao, Hua Wu 
World J Gastroenterol 15(15):1836-1842. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1836
Brief Articles
Rodolfo Sacco, Marco Bertini, Pasquale Petruzzi, Michele Bertoni, Irene Bargellini, Giampaolo Bresci, Graziana Federici, Luigi Gambardella, Salvatore Metrangolo, Giuseppe Parisi, Antonio Romano, Antonio Scaramuzzino, Emanuele Tumino, Alessandro Silvestri, Emanuele Altomare, Claudio Vignali, Alfonso Capria 
World J Gastroenterol 15(15):1843-1848. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1843
Yulia Khabarova, Suvi Torniainen, Hanna Nurmi, Irma Järvelä, Mauri Isokoski, Kari Mattila 
World J Gastroenterol 15(15):1849-1853. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1849
Katy Heise, Enriqueta Bertran, Marcelo E Andia, Catterina Ferreccio 
World J Gastroenterol 15(15):1854-1862. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1854
Hüseyin Saadettin Uslusoy, Selim Giray Nak, Macit Gülten, Zeynep Bıyıklı 
World J Gastroenterol 15(15):1863-1868. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1863
Jun Seok Lee, Sang Heum Kim, Dae Won Jun, Jee Hye Han, Eun Chul Jang, Ji Young Park, Byung Kwan Son, Seong Hwan Kim, Yoon Ju Jo, Young Sook Park, Yong Soo Kim 
World J Gastroenterol 15(15):1869-1875. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1869
Keng-Hao Liu, Ta-Sen Yeh, Tsann-Long Hwang, Yi-Yin Jan, Miin-Fu Chen 
World J Gastroenterol 15(15):1876-1879. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1876
Hui Sun, Hong Tang, Shan Jiang, Li Zeng, En-Qiang Chen, Tao-You Zhou, You-Juan Wang 
World J Gastroenterol 15(15):1886-1891. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1886
Case Report
Ioannis V Kalogeropoulos, Athanasios N Chalazonitis, Sofia Tsolaki, Fotios Laspas, Nikolaos Ptohis, Ioannis Neofytou, Dimitra Rontogianni 
World J Gastroenterol 15(15):1901-1903. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1901
Mario Traina, Ilaria Tarantino, Luca Barresi, Filippo Mocciaro 
World J Gastroenterol 15(15):1904-1905. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1904
Zhao-Wei Qu, Qiang He, Ren Lang, Fei Pan, Zhong-Kui Jin, Qin-Song Sheng, Dong Zhang, Xiao-Sheng Zhang, Da-Zhi Chen 
World J Gastroenterol 15(15):1906-1909. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1906
Ying-Yong Hou, Yang Zhou, Shao-Hua Lu, Wei-Dong Qi, Cheng Xu, Jun Hou, Yun-Shan Tan 
World J Gastroenterol 15(15):1910-1913. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1910
Letters To The Editor
Vincenzo De Francesco, Enzo Ierardi, Cesare Hassan, Angelo Zullo 
World J Gastroenterol 15(15):1914-1915. Published online Apr 21, 2009. doi: 10.3748/wjg.15.1914