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Editorial
Review
Francesca R Ponziani, Maria A Zocco, Chiara Campanale, Emanuele Rinninella, Annalisa Tortora, Luca Di Maurizio, Giuseppe Bombardieri, Raimondo De Cristofaro, Anna M De Gaetano, Raffaele Landolfi, Antonio Gasbarrini 
World J Gastroenterol 16(2):143-155. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.143
Original Article
Luca Gianotti, Lorenzo Morelli, Francesca Galbiati, Simona Rocchetti, Sara Coppola, Aldo Beneduce, Cristina Gilardini, Daniela Zonenschain, Angelo Nespoli, Marco Braga 
World J Gastroenterol 16(2):167-175. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.167
Veronika Csöngei, Luca Járomi, Enikő Sáfrány, Csilla Sipeky, Lili Magyari, Bernadett Faragó, Judit Bene, Noémi Polgár, Lilla Lakner, Patrícia Sarlós, Márta Varga, Béla Melegh 
World J Gastroenterol 16(2):176-183. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.176
Mitsuyasu Nakamura, Hidetsugu Saito, Masanori Ikeda, Ryota Hokari, Nobuyuki Kato, Toshifumi Hibi, Soichiro Miura 
World J Gastroenterol 16(2):184-192. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.184
Xiao-Nan Zhang, Zhi-Gang Song, Ting Jiang, Bi-Sheng Shi, Yun-Wen Hu, Zheng-Hong Yuan 
World J Gastroenterol 16(2):201-209. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.201
Brief Article
Ursula M Gehling, Marc Willems, Kathleen Schlagner, Ralf A Benndorf, Maura Dandri, Jörg Petersen, Martina Sterneck, Joerg-Matthias Pollok, Dieter K Hossfeld, Xavier Rogiers 
World J Gastroenterol 16(2):217-224. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.217
Yasuyuki Saifuku, Michiko Yamagata, Takero Koike, Genyo Hitomi, Kazunari Kanke, Hidetaka Watanabe, Toshimitsu Murohisa, Masaya Tamano, Makoto Iijima, Keiichi Kubota, Hideyuki Hiraishi 
World J Gastroenterol 16(2):237-244. Published online Jan 14, 2010. doi: 10.3748/wjg.v16.i2.237
Case Report
Letters To The Editor