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Open-Access Journal
Editorial
Christoph F Dietrich, Malay Sharma, Robert N Gibson, Dagmar Schreiber-Dietrich, Christian Jenssen 
World J Gastroenterol 19(21):3173-3188. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3173
Review
Qing-Lei Zeng, Ji-Yuan Zhang, Zheng Zhang, Li-Feng Wang, Fu-Sheng Wang 
World J Gastroenterol 19(21):3199-3206. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3199
Original Article
Luigi Fenoglio, Cristina Serraino, Elisabetta Castagna, Adele Cardellicchio, Fulvio Pomero, Maurizio Grosso, Carlo Senore 
World J Gastroenterol 19(21):3207-3216. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3207
Tatsuaki Sumiyoshi, Yasuo Shima, Ryoutarou Tokorodani, Takehiro Okabayashi, Akihito Kozuki, Yasuhiro Hata, Yoshihiro Noda, Yoriko Murata, Toshio Nakamura, Kiminori Uka 
World J Gastroenterol 19(21):3217-3225. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3217
Brief Article
Scott V Adams, Dennis J Ahnen, John A Baron, Peter T Campbell, Steven Gallinger, William M Grady, Loic LeMarchand, Noralane M Lindor, John D Potter, Polly A Newcomb 
World J Gastroenterol 19(21):3241-3248. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3241
Stephane Supiot, Wilfried Gouraud, Loïc Campion, Pascal Jezéquel, Bruno Buecher, Josiane Charrier, Marie-Francoise Heymann, Marc-Andre Mahé, Emmanuel Rio, Michel Chérel 
World J Gastroenterol 19(21):3249-3254. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3249
Francesca Romana Ponziani, Eleonora Brigida Annicchiarico, Massimo Siciliano, Francesca D’Aversa, Maurizio Pompili, Antonio Gasbarrini 
World J Gastroenterol 19(21):3255-3262. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3255
Maija Piekkala, Jaana Hagström, Maarit Tanskanen, Risto Rintala, Caj Haglund, Kaija-Leena Kolho 
World J Gastroenterol 19(21):3272-3280. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3272
Abdulrahman K Al Asmari, Saud Al Omani, Ibrahim Elfaki, Mohammad Tariq, Ahmed Al Malki, Saeed Al Asmary 
World J Gastroenterol 19(21):3291-3299. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3291
Ying Wu, Zhe-Wei Wei, Yu-Long He, Roderich E Schwarz, David D Smith, Guang-Kai Xia, Chang-Hua Zhang 
World J Gastroenterol 19(21):3309-3315. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3309
Xiang-Shan Fan, Jie-Yu Chen, Chang-Feng Li, Yi-Fen Zhang, Fan-Qing Meng, Hong-Yan Wu, An-Ning Feng, Qin Huang 
World J Gastroenterol 19(21):3316-3323. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3316
Yun Wang, Xin-Yu Xu, Yu-Rong Tang, Wei-Wei Yang, Yu-Feng Yuan, Yue-Ji Ning, Yin-Juan Yu, Lin Lin 
World J Gastroenterol 19(21):3324-3331. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3324
Feng Gao, Yue-Ming Li, Guo-Lin Hong, Zhi-Feng Xu, Qi-Cai Liu, Qing-Liang He, Li-Qing Lin, Shao-Huang Weng 
World J Gastroenterol 19(21):3332-3338. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3332
Case Report
Manuel Jakob, Matthias Schneider, Ingo Hoeller, Urban Laffer, Reto Kaderli 
World J Gastroenterol 19(21):3354-3357. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3354
Kenichi Hirabayashi, Giuseppe Zamboni, Hiroyuki Ito, Masami Ogawa, Yoshiaki Kawaguchi, Tomohiro Yamashita, Toshio Nakagohri, Naoya Nakamura 
World J Gastroenterol 19(21):3358-3363. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3358
Jian Xu, Heng Wang, Zheng-Wei Song, Miao-Da Shen, Shao-Hua Shi, Wei Zhang, Min Zhang, Shu-Sen Zheng 
World J Gastroenterol 19(21):3364-3368. Published online Jun 7, 2013. doi: 10.3748/wjg.v19.i21.3364
Letters To The Editor