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Editorial
Topic Highlight
Giada Pietrosi, Giovanni Battista Vizzini, Salvatore Gruttadauria, Bruno Gridelli 
World J Gastroenterol 15(17):2074-2077. Published online May 7, 2009. doi: 10.3748/wjg.15.2074
Observation
Review
Original Articles
Carl Christoph Schimanski, Kirsten Frerichs, Fareed Rahman, Martin Berger, Hauke Lang, Peter R Galle, Markus Moehler, Ines Gockel 
World J Gastroenterol 15(17):2089-2096. Published online May 7, 2009. doi: 10.3748/wjg.15.2089
Brief Articles
Anna Licata, Maria Elena Nebbia, Giuseppe Cabibbo, Giovanna Lo Iacono, Francesco Barbaria, Virna Brucato, Nicola Alessi, Salvatore Porrovecchio, Vito Di Marco, Antonio Craxì, Calogero Cammà 
World J Gastroenterol 15(17):2132-2138. Published online May 7, 2009. doi: 10.3748/wjg.15.2132
Case Report
Kazuya Akahoshi, Yasuaki Motomura, Masaru Kubokawa, Noriaki Matsui, Manami Oda, Risa Okamoto, Shingo Endo, Naomi Higuchi, Yumi Kashiwabara, Masafumi Oya, Hidefumi Akahane, Haruo Akiba 
World J Gastroenterol 15(17):2162-2165. Published online May 7, 2009. doi: 10.3748/wjg.15.2162
Mitsuro Chiba, Takeshi Sugawara, Haruhiko Tozawa, Hidehiko Tsuda, Toru Abe, Takuo Tokairin, Iwao Ono, Eriko Ushiyama 
World J Gastroenterol 15(17):2166-2169. Published online May 7, 2009. doi: 10.3748/wjg.15.2166
Letters To The Editor