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John K Triantafillidis, Emmanuel Merikas, Dimitrios Nikolakis, Apostolos E Papalois 
World J Gastroenterol 19(4):463-481. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.463
Original Article
Kathy J LePard, Joseph Cellini 
World J Gastroenterol 19(4):482-491. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.482
Wei Liu, Li-Ping Shan, Xue-Song Dong, Xiao-Wei Liu, Tao Ma, Zhi Liu 
World J Gastroenterol 19(4):492-502. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.492
Brief Article
Evan S Dellon, Rune Erichsen, Lars Pedersen, Nicholas J Shaheen, John A Baron, Henrik T Sørensen, Mogens Vyberg 
World J Gastroenterol 19(4):503-510. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.503
Lilian C Azih, Brett L Broussard, Milind A Phadnis, Martin J Heslin, Mohamad A Eloubeidi, Shayam Varadarajulu, Juan Pablo Arnoletti 
World J Gastroenterol 19(4):511-515. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.511
Edouard Bardou-Jacquet, Ludivine Legros, Draman Soro, Marianne Latournerie, Anne Guillygomarc’h, Caroline Le Lan, Pierre Brissot, Dominique Guyader, Romain Moirand 
World J Gastroenterol 19(4):516-522. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.516
Borislav Belev, Iva Brčić, Juraj Prejac, Zrna Antunac Golubić, Damir Vrbanec, Jadranka Božikov, Ivan Alerić, Marko Boban, Jasminka Jakić Razumović 
World J Gastroenterol 19(4):523-527. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.523
Dong Nyoung Son, Dong Jin Choi, Si Uk Woo, Jin Kim, Bo Ra Keom, Chul Hwan Kim, Se Jin Baek, Seon Hahn Kim 
World J Gastroenterol 19(4):542-549. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.542
Zhi-Yuan Chen, He-Song Shen, Ming-Yue Luo, Chai-Jie Duan, Wen-Li Cai, Hong-Bing Lu, Guo-Peng Zhang, Yang Liu, Jerome Z Liang 
World J Gastroenterol 19(4):561-568. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.561
Jing Jiang, Mei-Shan Jin, Fei Kong, Yin-Ping Wang, Zhi-Fang Jia, Dong-Hui Cao, Hong-Xi Ma, Jian Suo, Xue-Yuan Cao 
World J Gastroenterol 19(4):575-580. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.575
Case Report
Renzo Scaggiante, Liliana Chemello, Roberto Rinaldi, Giovanni Battista Bartolucci, Andrea Trevisan 
World J Gastroenterol 19(4):581-585. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.581
Filippo Banchini, Rocco Delfanti, Evelina Begnini, Maria Candida Tripodi, Patrizio Capelli 
World J Gastroenterol 19(4):586-589. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.586
Ileana Duca, Patricia Ramírez de la Piscina, Silvia Estrada, Rosario Calderón, Katerina Spicakova, Leire Urtasun, Carlos Marra-López, Salvador Zabaleta, Raquel Bengoa, María Asunción Marcaide, Francisco García-Campos 
World J Gastroenterol 19(4):590-593. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.590
Øistein Hovde, Øyvind Haugen Lie, Per Arthur Johansson, Øystein Stubhaug, Egil Johnson, Bjørn Hofstad, Truls Hauge 
World J Gastroenterol 19(4):594-596. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.594
Hiroyuki Miyahara, Dai Shida, Hiroki Matsunaga, Yukiko Takahama, Sachio Miyamoto 
World J Gastroenterol 19(4):604-606. Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.604