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Topic Highlight
Ambrogio Orlando, Sara Renna, Giovanni Perricone, Mario Cottone 
World J Gastroenterol 15(20):2443-2448. Published online May 28, 2009. doi: 10.3748/wjg.15.2443
Elisabetta Colombo, Anna Latiano, Orazio Palmieri, Fabrizio Bossa, Angelo Andriulli, Vito Annese 
World J Gastroenterol 15(20):2456-2462. Published online May 28, 2009. doi: 10.3748/wjg.15.2456
Elisabetta Dal Pont, Renata D’Incà, Antonino Caruso, Giacomo Carlo Sturniolo 
World J Gastroenterol 15(20):2463-2468. Published online May 28, 2009. doi: 10.3748/wjg.15.2463
Fabiola Atzeni, Sandro Ardizzone, Luca Bertani, Marco Antivalle, Alberto Batticciotto, Piercarlo Sarzi-Puttini 
World J Gastroenterol 15(20):2469-2471. Published online May 28, 2009. doi: 10.3748/wjg.15.2469
Massimo C Fantini, Francesco Pallone, Giovanni Monteleone 
World J Gastroenterol 15(20):2472-2478. Published online May 28, 2009. doi: 10.3748/wjg.15.2472
Review
Daniel Martin Commane, Ramesh Pulendran Arasaradnam, Sarah Mills, John Cummings Mathers, Mike Bradburn 
World J Gastroenterol 15(20):2479-2488. Published online May 28, 2009. doi: 10.3748/wjg.15.2479
Original Articles
Brief Articles
Valter Donadon, Massimiliano Balbi, Michela Ghersetti, Silvia Grazioli, Antonio Perciaccante, Giovanni Della Valentina, Rita Gardenal, Maria Dal Mas, Pietro Casarin, Giorgio Zanette, Cesare Miranda 
World J Gastroenterol 15(20):2506-2511. Published online May 28, 2009. doi: 10.3748/wjg.15.2506
Walkíria Wingester Vilas-Boas, Antônio Ribeiro-Oliveira Jr, Regina Maria Pereira, Renata da Cunha Ribeiro, Jerusa Almeida, Ana Paula Nadu, Ana Cristina Simões e Silva, Robson Augusto Souza dos Santos 
World J Gastroenterol 15(20):2512-2519. Published online May 28, 2009. doi: 10.3748/wjg.15.2512
Eiji Oki, Yan Zhao, Rintaro Yoshida, Takanobu Masuda, Koji Ando, Masahiiko Sugiyama, Eriko Tokunaga, Masaru Morita, Yoshihiro Kakeji, Yoshihiko Maehara 
World J Gastroenterol 15(20):2520-2525. Published online May 28, 2009. doi: 10.3748/wjg.15.2520
Yi-Sheng Wei, Jia-Chun Lu, Lei Wang, Ping Lan, Hong-Jun Zhao, Zhi-Zhong Pan, Jun Huang, Jian-Ping Wang 
World J Gastroenterol 15(20):2526-2530. Published online May 28, 2009. doi: 10.3748/wjg.15.2526
Shan-Rong Cai, Su-Zhan Zhang, Hong-Hong Zhu, Shu Zheng 
World J Gastroenterol 15(20):2531-2536. Published online May 28, 2009. doi: 10.3748/wjg.15.2531
Jian-Ming Xing, Su Zhang, Ying Du, Dan Bi, Li-Hui Yao 
World J Gastroenterol 15(20):2537-2542. Published online May 28, 2009. doi: 10.3748/wjg.15.2537
Case Report
Toshio Katoh, Tsunehiko Shigemori, Ryo Fukaya, Hiroshi Suzuki 
World J Gastroenterol 15(20):2547-2549. Published online May 28, 2009. doi: 10.3748/wjg.15.2547
Qing-Gang Wang, Shu-Tian Zhang 
World J Gastroenterol 15(20):2550-2551. Published online May 28, 2009. doi: 10.3748/wjg.15.2550
Zhi-Shui Chen, Fan-Ying Meng, Xiao-Ping Chen, Dun-Gui Liu, Lai Wei, Ji-Pin Jiang, Dun-Feng Du, Wei-Jie Zhang, Chang-Sheng Ming, Nian-Qiao Gong 
World J Gastroenterol 15(20):2552-2555. Published online May 28, 2009. doi: 10.3748/wjg.15.2552