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Editorial
Alexandra Sermeus, Wim Leonard, Benedikt Engels, Mark De Ridder 
World J Gastroenterol 20(1):1-5. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.1
Topic Highlight
David Q Shih, Yoshitake Kanazawa, Li-Bo Zheng, Kori L Wallace 
World J Gastroenterol 20(1):6-21. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.6
François Boudreau, Jean-Philippe Babeu 
World J Gastroenterol 20(1):22-30. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.22
Hugh James Freeman 
World J Gastroenterol 20(1):31-36. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.31
Gabrio Bassotti, Elisabetta Antonelli, Vincenzo Villanacci, Marianna Salemme, Manuela Coppola, Vito Annese 
World J Gastroenterol 20(1):37-44. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.37
Sabrina Cardile, Claudio Romano 
World J Gastroenterol 20(1):45-52. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.45
Danuta Owczarek, Dorota Cibor, Mikołaj K Głowacki, Tomasz Rodacki, Tomasz Mach 
World J Gastroenterol 20(1):53-63. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.53
Jannie Pedersen, Mehmet Coskun, Christoffer Soendergaard, Mohammad Salem, Ole Haagen Nielsen 
World J Gastroenterol 20(1):64-77. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.64
Takayuki Yamamoto, Toshiaki Watanabe 
World J Gastroenterol 20(1):78-90. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.78
Yi-Zhen Zhang, Yong-Yu Li 
World J Gastroenterol 20(1):91-99. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.91
Review
Jeong Suk Oh, Jonathan B Koea 
World J Gastroenterol 20(1):100-109. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.100
Ting-Ting Li, Feng Qiu, Zhi Rong Qian, Jun Wan, Xiao-Kun Qi, Ben-Yan Wu 
World J Gastroenterol 20(1):118-125. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.118
Hua-Lian Hang, Qiang Xia 
World J Gastroenterol 20(1):126-132. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.126
De-Gan Lu, Xiao-Qing Ji, Xun Liu, Hong-Jia Li, Cai-Qing Zhang 
World J Gastroenterol 20(1):133-141. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.133
Minireviews
Yu Zhang, Zhi-Long Shi, Xia Yang, Zheng-Feng Yin 
World J Gastroenterol 20(1):142-147. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.142
Original Article
Yalena Amador-Cañizares, Gillian Martínez-Donato, Liz Álvarez-Lajonchere, Claudia Vasallo, Mariacarla Dausá, Daylen Aguilar-Noriega, Carmen Valenzuela, Ivette Raíces, Jean Dubuisson, Czeslaw Wychowski, Zurina Cinza-Estévez, Marlén Castellanos, Magdalys Núñez, Anny Armas, Yaimé González, Ismariley Revé, Ivis Guerra, Ángel Pérez Aguiar, Santiago Dueñas-Carrera 
World J Gastroenterol 20(1):148-162. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.148
Tomasz Dawiskiba, Stanisław Deja, Agata Mulak, Adam Ząbek, Ewa Jawień, Dorota Pawełka, Mirosław Banasik, Agnieszka Mastalerz-Migas, Waldemar Balcerzak, Krzysztof Kaliszewski, Jan Skóra, Piotr Barć, Krzysztof Korta, Kornel Pormańczuk, Przemyslaw Szyber, Adam Litarski, Piotr Młynarz 
World J Gastroenterol 20(1):163-174. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.163
Hye Jin Ku, Hye Young Kim, Hyeong Hoe Kim, Hee Ju Park, Jae Hun Cheong 
World J Gastroenterol 20(1):175-182. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.175
Shou-Wei Jia, Sha Fu, Fang Wang, Qiong Shao, Hong-Bing Huang, Jian-Yong Shao 
World J Gastroenterol 20(1):183-192. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.183
Hong-Bing Ma, Shan Huang, Xiao-Ran Yin, Yang Zhang, Zheng-Li Di 
World J Gastroenterol 20(1):193-203. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.193
Brief Article
Sébastien Küry, Céline Garrec, Fabrice Airaud, Flora Breheret, Virginie Guibert, Cécile Frenard, Shuo Jiao, Dominique Bonneau, Pascaline Berthet, Céline Bossard, Olivier Ingster, Estelle Cauchin, Stéphane Bezieau 
World J Gastroenterol 20(1):204-213. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.204
Mindy CW Lam, Terry Lee, Kenneth Atkinson, Brian Bressler 
World J Gastroenterol 20(1):214-218. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.214
Patricia Sarlos, Dalma Varszegi, Veronika Csongei, Lili Magyari, Luca Jaromi, Lajos Nagy, Bela Melegh 
World J Gastroenterol 20(1):219-227. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.219
Hye-Jin Tae, Dae-Won Jun, Yun-Young Choi, Min-Jung Kwak, Min-Ho Lee 
World J Gastroenterol 20(1):228-234. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.228
Ji Eun Lee, Si Hyun Bae, Jong Young Choi, Seung Kew Yoon, Young Kyoung You, Myung Ah Lee 
World J Gastroenterol 20(1):235-241. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.235
Chi-Liang Cheng, Cheng-Hui Lin, Nai-Jen Liu, Jui-Hsiang Tang, Yen-Lin Kuo, Yi-Ning Tsui 
World J Gastroenterol 20(1):242-249. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.242
Guo-Li Gu, Xiao-Quan Zhu, Xue-Ming Wei, Li Ren, De-Chang Li, Shi-Lin Wang 
World J Gastroenterol 20(1):250-257. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.250
Zhi-Wei Liang, Yuan Cheng, Ze-Sheng Jiang, Hai-Yan Liu, Yi Gao, Ming-Xin Pan 
World J Gastroenterol 20(1):258-263. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.258
Ming-Ming He, Dong-Sheng Zhang, Feng Wang, Zhi-Qiang Wang, Hui-Yan Luo, Chao Ren, Ying Jin, Dong-Liang Chen, Rui-Hua Xu 
World J Gastroenterol 20(1):264-273. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.264
Pei-Xian Chen, Lu-Nan Yan, Wen-Tao Wang 
World J Gastroenterol 20(1):282-289. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.282
Tu-Nan Yu, Bo Shen, Ning Meng, Hong Yu, Xiu-Jun Cai 
World J Gastroenterol 20(1):290-295. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.290
Zhi-Huan Sun, Hai-Meng Zhou, Guo-Xin Song, Zhong-Xiao Zhou, Liang Bai 
World J Gastroenterol 20(1):296-302. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.296
Meta-Analysis
Zhi Li, Yu-Ming Sun, Fei-Xiang Wu, Li-Qun Yang, Zhi-Jie Lu, Wei-Feng Yu 
World J Gastroenterol 20(1):303-309. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.303
Guo-Fang Liu, Dong Tang, Ping Li, Su Wang, Ya-Xiang Xu, Ai-Hua Long, Nian-Lan Zhou, Li-Li Zhang, Jie Chen, Xiao-Xing Xiang 
World J Gastroenterol 20(1):310-318. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.310
Case Report
Nuno Carvalho, Diogo Albergaria, Rui Lebre, João Giria, Vitor Fernandes, Helena Vidal, Maria José Brito 
World J Gastroenterol 20(1):319-322. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.319
Eun-Young Jung, Soon-Ok Choi, Kwang Bum Cho, Eun Soo Kim, Kyung Sik Park, Jin-Bok Hwang 
World J Gastroenterol 20(1):323-325. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.323
Letter to the Editor
Xin-Zu Chen, Wei-Han Zhang, Kun Yang, Jian-Kun Hu 
World J Gastroenterol 20(1):330-332. Published online Jan 7, 2014. doi: 10.3748/wjg.v20.i1.330
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