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Open-Access Journal
Editorial
Stefan Riss, Anton Stift 
World J Gastroenterol 21(1):1-5. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.1
Field of Vision
Dinesh Vyas, Apoorva Aekka, Arpita Vyas 
World J Gastroenterol 21(1):6-11. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.6
Review
Elsa Limura, Pasquale Giordano 
World J Gastroenterol 21(1):12-20. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.12
Gian Eugenio Tontini, Maurizio Vecchi, Luca Pastorelli, Markus F Neurath, Helmut Neumann 
World J Gastroenterol 21(1):21-46. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.21
Stefan AW Bouwense, Marjan de Vries, Luuk TW Schreuder, Søren S Olesen, Jens B Frøkjær, Asbjørn M Drewes, Harry van Goor, Oliver HG Wilder-Smith 
World J Gastroenterol 21(1):47-59. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.47
Nikolaos K Gatselis, Kalliopi Zachou, George K Koukoulis, George N Dalekos 
World J Gastroenterol 21(1):60-83. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.60
Xiao-Lan Li, Jianbiao Zhou, Zhi-Rong Chen, Wee-Joo Chng 
World J Gastroenterol 21(1):84-93. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.84
Yasuteru Kondo, Osamu Kimura, Tooru Shimosegawa 
World J Gastroenterol 21(1):94-101. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.94
Meng-Que Xu, Hai-Long Cao, Wei-Qiang Wang, Shan Wang, Xiao-Cang Cao, Fang Yan, Bang-Mao Wang 
World J Gastroenterol 21(1):102-111. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.102
Yue Zhao, Fei Feng, Yong-Ning Zhou 
World J Gastroenterol 21(1):112-123. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.112
Minireviews
Concepción Gomez i Gavara, Rafael López-Andújar, Tatiana Belda Ibáñez, José M Ramia Ángel, Ángel Moya Herraiz, Francisco Orbis Castellanos, Eugenia Pareja Ibars, Fernando San Juan Rodríguez 
World J Gastroenterol 21(1):124-131. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.124
Wouter Willaert, Wim Ceelen 
World J Gastroenterol 21(1):132-138. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.132
Ariolana A dos Santos, Adriana A Carvalho 
World J Gastroenterol 21(1):139-154. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.139
Basic Study
Arseima Y Del Valle-Pinero, LeeAnne B Sherwin, Ethan M Anderson, Robert M Caudle, Wendy A Henderson 
World J Gastroenterol 21(1):155-163. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.155
Claudia Maletzki, Michael Gock, Martin Randow, Ernst Klar, Maja Huehns, Friedrich Prall, Michael Linnebacher 
World J Gastroenterol 21(1):164-176. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.164
Toshihide Ueda, Ryota Hokari, Masaaki Higashiyama, Yuichi Yasutake, Koji Maruta, Chie Kurihara, Kengo Tomita, Shunsuke Komoto, Yoshikiyo Okada, Chikako Watanabe, Shingo Usui, Shigeaki Nagao, Soichiro Miura 
World J Gastroenterol 21(1):177-186. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.177
Jing-Qing Zeng, Chun-Di Xu, Tong Zhou, Jing Wu, Kai Lin, Wei Liu, Xin-Qiong Wang 
World J Gastroenterol 21(1):187-195. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.187
Fan-Di Meng, Ji-Chao Wei, Kai Qu, Zhi-Xin Wang, Qi-Fei Wu, Ming-Hui Tai, Hao-Chen Liu, Rui-Yao Zhang, Chang Liu 
World J Gastroenterol 21(1):196-213. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.196
Wen-Dong Liu, Xing-Wang Wu, Jun-Mei Hu, Bin Wang, Bin Liu 
World J Gastroenterol 21(1):214-220. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.214
Case Control Study
Florian Kuehn, Ernst Klar, Anja Bliemeister, Michael Linnebacher 
World J Gastroenterol 21(1):221-228. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.221
Retrospective Study
Rajesh Shah, Bincy Abraham, Jason Hou, Joseph Sellin 
World J Gastroenterol 21(1):229-232. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.229
Taiba Zornitzki, Stephen Malnick, Lyudmila Lysyy, Hilla Knobler 
World J Gastroenterol 21(1):233-239. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.233
Eli Magen, Menachem Schlesinger, Itzhak Ben-Zion, Daniel Vardy 
World J Gastroenterol 21(1):240-245. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.240
Yusuke Yamamoto, Hisashi Ikoma, Ryo Morimura, Katsutoshi Shoda, Hirotaka Konishi, Yasutoshi Murayama, Shuhei Komatsu, Atsushi Shiozaki, Yoshiaki Kuriu, Takeshi Kubota, Masayoshi Nakanishi, Daisuke Ichikawa, Hitoshi Fujiwara, Kazuma Okamoto, Chouhei Sakakura, Toshiya Ochiai, Eigo Otsuji 
World J Gastroenterol 21(1):246-253. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.246
Nobuyuki Miyake, Takafumi Ando, Kazuhiro Ishiguro, Osamu Maeda, Osamu Watanabe, Yutaka Hirayama, Keiko Maeda, Kazuhiro Morise, Masanobu Matsushita, Kazuhiro Furukawa, Kohei Funasaka, Masanao Nakamura, Ryoji Miyahara, Naoki Ohmiya, Hidemi Goto 
World J Gastroenterol 21(1):254-261. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.254
Takehito Yamamoto, Shintaro Yagi, Hiromitsu Kinoshita, Yusuke Sakamoto, Kazuyuki Okada, Kenji Uryuhara, Takeshi Morimoto, Satoshi Kaihara, Ryo Hosotani 
World J Gastroenterol 21(1):262-268. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.262
Sung Pil Yun, Nari Shin, Hyung Il Seo 
World J Gastroenterol 21(1):269-275. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.269
Jin-Seok Park, Don Haeng Lee, Jun Hyeok Lim, Seok Jeong, Young Sun Jeon 
World J Gastroenterol 21(1):276-282. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.276
Bo-An Li, Jia Liu, Jun Hou, Jie Tang, Jian Zhang, Jun Xu, Yong-Ji Song, Ai-Xia Liu, Jing Zhao, Jing-Xia Guo, Lin Chen, Han Wang, Li-Hua Yang, Jie Lu, Yuan-Li Mao 
World J Gastroenterol 21(1):283-291. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.283
Clinical Trials Study
Fabian Jasper, Boris Egloff, Andrea Roalfe, Michael Witthöft 
World J Gastroenterol 21(1):292-300. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.292
Observational Study
Dominika Maciejewska, Arleta Drozd, Piotr Ossowski, Karina Ryterska, Dominika Jamioł-Milc, Marcin Banaszczak, Joanna Raszeja-Wyszomirska, Małgorzata Kaczorowska, Anna Sabinicz, Ewa Stachowska 
World J Gastroenterol 21(1):301-310. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.301
Moran Lavie, Tzipora Manovitz, Daphna Vilozni, Sarina Levy-Mendelovich, Ifat Sarouk, Ilana Weintraubv, David Shoseyov, Malena Cohen-Cymberknoh, Joseph Rivlin, Ori Efrati 
World J Gastroenterol 21(1):318-325. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.318
Yuka Kobayashi, Hirotsugu Watabe, Atsuo Yamada, Hirobumi Suzuki, Yoshihiro Hirata, Yutaka Yamaji, Haruhiko Yoshida, Kazuhiko Koike 
World J Gastroenterol 21(1):326-332. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.326
Prospective Study
Susen Burock, Pia Herrmann, Ina Wendler, Markus Niederstrasser, Klaus-Dieter Wernecke, Ulrike Stein 
World J Gastroenterol 21(1):333-341. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.333
Laura Lorenzon, Francesca Mazzetta, Emanuela Pilozzi, Giordana Uggeri, Maria Rosaria Torrisi, Mario Ferri, Vincenzo Ziparo, Deborah French 
World J Gastroenterol 21(1):342-350. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.342
Randomized Controlled Trial
Hyun Jeong Lee, Jin Il Kim, Jin Soo Lee, Eun Jung Jun, Jung-Hwan Oh, Dae Young Cheung, Woo Chul Chung, Byung-Wook Kim, Sung Soo Kim 
World J Gastroenterol 21(1):351-359. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.351
Systematic Reviews
Giuseppe Nigri, Niccolò Petrucciani, Giulia Giannini, Paolo Aurello, Paolo Magistri, Marcello Gasparrini, Giovanni Ramacciato 
World J Gastroenterol 21(1):360-368. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.360
Case Report
Toru Nakano, Tadashi Sakurai, Shota Maruyama, Yohei Ozawa, Takashi Kamei, Go Miyata, Noriaki Ohuchi 
World J Gastroenterol 21(1):369-372. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.369
Wen Zhang, Zheng-Qiang Yang, Hai-Bin Shi, Shen Liu, Wei-Zhong Zhou, Lin-Bo Zhao 
World J Gastroenterol 21(1):373-376. Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.373
Letter to the Editor
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