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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 Article
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 Article
Stephan Kanzler, Peter R Galle, Ansgar W Lohse, Anja Piendl, Catherine Centner, Arndt Weinmann, Andreas Teufel 
World J Gastroenterol 15(5):578-582. Published online Feb 7, 2009. doi: 10.3748/wjg.15.578
John D Dockerty, Vicki Livingstone, Susan Weggery, Angus Turnbull, Bogna Targonska, Sarah Donald, Andrew Davidson, Michael Schultz 
World J Gastroenterol 15(5):583-590. Published online Feb 7, 2009. doi: 10.3748/wjg.15.583
Dragan Popovic, Slobodan Krstic, Nada Kovacevic, Aleksandra Sokic Milutinovic, Ivan Jovanovic, Rada Jesic, Miodrag Krstic, Tamara Alempijevic 
World J Gastroenterol 15(5):591-594. Published online Feb 7, 2009. doi: 10.3748/wjg.15.591
Yasuharu Saito, Yoshihide Fujiyama, Tomoyuki Tsujikawa, Tamio Nakahara, Atsuhiro Ogawa, Kiyoyuki Hayafuji, Akira Andoh, Kazunori Hata 
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
Paul Harold Rowe, Sam Doughan, Nitin Babulal Bagul, Neeraj Kumar Garg 
World J Gastroenterol 15(5):612-614. Published online Feb 7, 2009. doi: 10.3748/wjg.15.612
Yasuni Nakanuma, Takayuki Nojima, Keita Itatsu, Masaru Kinoshita, Toshiaki Yasui, Ichiro Araki, Motoko Sasaki 
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
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