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Alberto Piperno, Raffaella Mariani, Paola Trombini, Domenico Girelli 
World J Gastroenterol 15(5):538-551. Published online Feb 7, 2009. doi: 10.3748/wjg.15.538
Original Articles
Wei Zhang, Xiao-Ping Chen, Wan-Guang Zhang, Feng Zhang, Shuai Xiang, Han-Hua Dong, Lei Zhang 
World J Gastroenterol 15(5):552-560. Published online Feb 7, 2009. doi: 10.3748/wjg.15.552
Brief Articles
Andreas Teufel, Arndt Weinmann, Catherine Centner, Anja Piendl, Ansgar W Lohse, Peter R Galle, Stephan Kanzler 
World J Gastroenterol 15(5):578-582. Published online Feb 7, 2009. doi: 10.3748/wjg.15.578
Michael Schultz, Andrew Davidson, Sarah Donald, Bogna Targonska, Angus Turnbull, Susan Weggery, Vicki Livingstone, John D Dockerty 
World J Gastroenterol 15(5):583-590. Published online Feb 7, 2009. doi: 10.3748/wjg.15.583
Tamara Alempijevic, Miodrag Krstic, Rada Jesic, Ivan Jovanovic, Aleksandra Sokic Milutinovic, Nada Kovacevic, Slobodan Krstic, Dragan Popovic 
World J Gastroenterol 15(5):591-594. Published online Feb 7, 2009. doi: 10.3748/wjg.15.591
Kazunori Hata, Akira Andoh, Kiyoyuki Hayafuji, Atsuhiro Ogawa, Tamio Nakahara, Tomoyuki Tsujikawa, Yoshihide Fujiyama, Yasuharu Saito 
World J Gastroenterol 15(5):595-598. Published online Feb 7, 2009. doi: 10.3748/wjg.15.595
Zhi-Gang Huang, Guang-Cai Duan, Qing-Tang Fan, Wei-Dong Zhang, Chun-Hua Song, Xue-Yong Huang, Rong-Guang Zhang 
World J Gastroenterol 15(5):599-606. Published online Feb 7, 2009. doi: 10.3748/wjg.15.599
Case Report
Neeraj Kumar Garg, Nitin Babulal Bagul, Sam Doughan, Paul Harold Rowe 
World J Gastroenterol 15(5):612-614. Published online Feb 7, 2009. doi: 10.3748/wjg.15.612
Motoko Sasaki, Ichiro Araki, Toshiaki Yasui, Masaru Kinoshita, Keita Itatsu, Takayuki Nojima, Yasuni Nakanuma 
World J Gastroenterol 15(5):615-621. Published online Feb 7, 2009. doi: 10.3748/wjg.15.615
Kun-Chun Chiang, Jun Te Hsu, Huang-Yang Chen, Shyh Chuan Jwo, Tsann-Long Hwang, Yi-Yin Jan, Chun-Nan Yeh 
World J Gastroenterol 15(5):628-632. Published online Feb 7, 2009. doi: 10.3748/wjg.15.628