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Open-Access Journal
Editorial
Maria Gazouli, George Mastorakos, Panagiotis Christopoulos, Christos Zavos, Ioannis Androulakis 
World J Gastroenterol 21(47):13205-13211. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13205
Review
Xin-Wu Cui, Jian-Min Chang, Quan-Cheng Kan, Liliana Chiorean, Andre Ignee, Christoph F Dietrich 
World J Gastroenterol 21(47):13212-13224. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13212
Basic Study
Behzad Yeganeh, Adel Rezaei Moghadam, Javad Alizadeh, Emilia Wiechec, Seyed Moayed Alavian, Mohammad Hashemi, Bita Geramizadeh, Afshin Samali, Kamran Bagheri Lankarani, Martin Post, Payam Peymani, Kevin M Coombs, Saeid Ghavami 
World J Gastroenterol 21(47):13225-13239. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13225
Apostolos V Tsolakis, Lars Grimelius, Göran Granerus, Mats Stridsberg, Sture E Falkmer, Eva T Janson 
World J Gastroenterol 21(47):13240-13249. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13240
Xu-Hui Liu, Yue-Wu Yang, Hai-Tao Dai, Song-Wang Cai, Rui-Han Chen, Zhi-Qiang Ye 
World J Gastroenterol 21(47):13250-13258. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13250
Ting-Ting Li, Hao Liu, Feng-Ping Li, Yan-Feng Hu, Ting-Yu Mou, Tian Lin, Jiang Yu, Lei Zheng, Guo-Xin Li 
World J Gastroenterol 21(47):13259-13267. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13259
Fang Yang, Li-Zhi Lv, Qiu-Cheng Cai, Yi Jiang 
World J Gastroenterol 21(47):13268-13276. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13268
Juan-Juan Shi, Xiao-Li Jia, Mei Li, Ning Yang, Ya-Ping Li, Xin Zhang, Ning Gao, Shuang-Suo Dang 
World J Gastroenterol 21(47):13277-13287. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13277
Xiang-Jie Guo, Ying-Yuan Wang, Hao-Yue Zhang, Qian-Qian Jin, Cai-Rong Gao 
World J Gastroenterol 21(47):13288-13293. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13288
Retrospective Study
Johanna Mrena, Anne Mattila, Jan Böhm, Ismo Jantunen, Ilmo Kellokumpu 
World J Gastroenterol 21(47):13294-13301. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13294
Jong Hee Hyun, Seong Dae Lee, Eui Gon Youk, Jae Bum Lee, Enu-Jung Lee, Hee Jin Chang, Dae Kyung Sohn 
World J Gastroenterol 21(47):13302-13308. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13302
Hong-Ming Tsai, Chiao-Hsiung Chuang, Yan-Shen Shan, Yi-Sheng Liu, Chiung-Yu Chen 
World J Gastroenterol 21(47):13309-13315. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13309
Lei Wang, Xu-An Wang, Jia-Qi Hao, Li-Na Zhang, Mao-Lan Li, Xiang-Song Wu, Hao Weng, Wen-Jie Lv, Wen-Jie Zhang, Lei Chen, Hong-Gang Xiang, Jian-Hua Lu, Ying-Bin Liu, Ping Dong 
World J Gastroenterol 21(47):13316-13324. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13316
Tian-Jiao Guo, Jin-Yu Qin, Lin-Lin Zhu, Jin Wang, Jin-Lin Yang, Yi-Ping Wang 
World J Gastroenterol 21(47):13325-13331. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13325
Clinical Trials Study
Shu Zhang, Zhi-Wei Jiang, Gang Wang, Xiao-Bo Feng, Jiang Liu, Jian Zhao, Jie-Shou Li 
World J Gastroenterol 21(47):13332-13338. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13332
Ikram Abdikarim, Xue-Yuan Cao, Shou-Zhen Li, Yin-Quan Zhao, Yerlan Taupyk, Quan Wang 
World J Gastroenterol 21(47):13339-13344. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13339
Observational Study
Marco Milone, Andrea Vignali, Francesco Milone, Giusto Pignata, Ugo Elmore, Mario Musella, Giuseppe De Placido, Antonio Mollo, Loredana Maria Sosa Fernandez, Guido Coretti, Umberto Bracale, Riccardo Rosati 
World J Gastroenterol 21(47):13345-13351. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13345
Kenichiro Nakagawa, Tomoyuki Koike, Katsunori Iijima, Masahiro Saito, Hiroki Kikuchi, Waku Hatta, Nobuyuki Ara, Kaname Uno, Naoki Asano, Tooru Shimosegawa 
World J Gastroenterol 21(47):13352-13359. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13352
Mei Zhang, Xiao-Jiao Yang, Hong-Ming Zhu, Zhe Tang, Bang-Yi Li, Dan-Dan Zhao 
World J Gastroenterol 21(47):13368-13373. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13368
Meta-Analysis
Leonardo Zorrón Pu, Eduardo Guimarães Hourneaux de Moura, Wanderley Marques Bernardo, Felipe Iankelevich Baracat, Ernesto Quaresma Mendonça, André Kondo, Gustavo Oliveira Luz, Carlos Kiyoshi Furuya Júnior, Everson Luiz de Almeida Artifon 
World J Gastroenterol 21(47):13374-13385. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13374
Geun Joo Choi, Hyun Kang, Chong Wha Baek, Yong Hun Jung, Dong Rim Kim 
World J Gastroenterol 21(47):13386-13395. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13386
Case Report
Shan-Shan Shen, Xiao-Qi Zhang, Zhen-Lei Li, Xiao-Ping Zou, Ting-Sheng Ling 
World J Gastroenterol 21(47):13396-13399. Published online Dec 21, 2015. doi: 10.3748/wjg.v21.i47.13396
Letter to the Editor
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