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Open-Access Journal
Frontier
Seong Hoon Kim, Seung Duk Lee, Young Kyu Kim, Sang-Jae Park 
World J Gastroenterol 20(48):18061-18069. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18061
Topic Highlight
Sanja Stojsavljević, Marija Gomerčić Palčić, Lucija Virović Jukić, Lea Smirčić Duvnjak, Marko Duvnjak 
World J Gastroenterol 20(48):18070-18091. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18070
Review
Giovanni Tomasello, Pietro Tralongo, Provvidenza Damiani, Emanuele Sinagra, Benedetto Di Trapani, Marie Noelle Zeenny, Inaya Hajj Hussein, Abdo Jurjus, Angelo Leone 
World J Gastroenterol 20(48):18121-18130. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18121
Maurizio Soresi, Lydia Giannitrapani, Melchiorre Cervello, Anna Licata, Giuseppe Montalto 
World J Gastroenterol 20(48):18131-18150. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18131
Hans Raskov, Hans-Christian Pommergaard, Jakob Burcharth, Jacob Rosenberg 
World J Gastroenterol 20(48):18151-18164. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18151
Original Article
Anjan Dhar, Helen Close, Yirupaiahgari K Viswanath, Colin J Rees, Helen C Hancock, A Deepak Dwarakanath, Rebecca H Maier, Douglas Wilson, James M Mason 
World J Gastroenterol 20(48):18199-18206. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18199
Emilien Loeuillard, Julien Bertrand, Anni Herranen, Chloé Melchior, Charlène Guérin, Moïse Coëffier, Moutaz Aziz, Pierre Déchelotte, Guillaume Savoye, Rachel Marion-Letellier 
World J Gastroenterol 20(48):18207-18215. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18207
Dominik Schreiber, Viktor Jost, Michael Bischof, Kristina Seebach, Wim JEP Lammers, Rees Douglas, Karl-Herbert Schäfer 
World J Gastroenterol 20(48):18216-18227. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18216
Fabiany da Costa Gonçalves, Natália Schneider, Fernanda Otesbelgue Pinto, Fabíola Schons Meyer, Fernanda Visioli, Bianca Pfaffenseller, Patrícia Luciana da Costa Lopez, Eduardo Pandolfi Passos, Elizabeth Obino Cirne-Lima, Luíse Meurer, Ana Helena Paz 
World J Gastroenterol 20(48):18228-18239. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18228
Abeer A Bahnassy, Abdel-Rahman N Zekri, Ahmed El-Bastawisy, Amal Fawzy, Marwa Shetta, Nehal Hussein, Dalia Omran, Abdallah A S Ahmed, Samir S El-Labbody 
World J Gastroenterol 20(48):18240-18248. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18240
Xin Cheng, Xiang-Cui Gao, Jun-Ping Wang, Xin-Ying Yang, Yan Wang, Bao-Sheng Li, Fu-Biao Kang, Hai-Jun Li, Yue-Min Nan, Dian-Xing Sun 
World J Gastroenterol 20(48):18284-18295. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18284
Li Zuo, Kai-Tao Yuan, Li Yu, Qing-Hong Meng, Peter Chee-Keung Chung, Ding-Hua Yang 
World J Gastroenterol 20(48):18316-18329. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18316
Research Report
Duangporn Werawatganon, Narisorn Rakananurak, Sasipim Sallapant, Piyapan Prueksapanich, Kanjana Somanawat, Naruemon Klaikeaw, Rungsun Rerknimitr 
World J Gastroenterol 20(48):18330-18337. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18330
Evidence-Based Medicine
Zhong-Hua Lu, Xiao-Ping Huang, Wei Sun, Yi-Ling Zhu, Juan-Juan Cui, Wei Chen, Li-Hua Huang, Shou-Gang Kuai, He-Juan Du, Zhao-Xia Ju, Jian-He Gan 
World J Gastroenterol 20(48):18354-18359. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18354
Case Control Study
Eunmi Ahn, Ki Young Son, Dong Wook Shin, Min Kyu Han, Hyejin Lee, Ah Reum An, Eun Ho Kim, BeLong Cho 
World J Gastroenterol 20(48):18360-18366. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18360
Retrospective Cohort Study
Asuka Nakarai, Jun Kato, Sakiko Hiraoka, Toshihiro Inokuchi, Daisuke Takei, Yuki Moritou, Mitsuhiro Akita, Sakuma Takahashi, Keisuke Hori, Keita Harada, Hiroyuki Okada, Kazuhide Yamamoto 
World J Gastroenterol 20(48):18367-18374. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18367
Retrospective Study
Claudio Tana, Christoph F Dietrich, Radu Badea, Liliana Chiorean, Vincenzo Carrieri, Cosima Schiavone 
World J Gastroenterol 20(48):18375-18383. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18375
Omar A Al Obeed, Khayal A Alkhayal, Abdulmalik Al Sheikh, Ahmad M Zubaidi, Mansoor-Ali Vaali-Mohammed, Robin Boushey, James H Mckerrow, Maha-Hamadien Abdulla 
World J Gastroenterol 20(48):18390-18396. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18390
Xiao-Li Wei, De-Shen Wang, Shao-Yan Xi, Wen-Jing Wu, Dong-Liang Chen, Zhao-Lei Zeng, Rui-Yu Wang, Ya-Xin Huang, Ying Jin, Feng Wang, Miao-Zhen Qiu, Hui-Yan Luo, Dong-Sheng Zhang, Rui-Hua Xu 
World J Gastroenterol 20(48):18404-18412. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18404
Yao-Jun Yu, Wei-Jian Sun, Ming-Dong Lu, Fei-Hai Wang, Dan-Si Qi, Yi Zhang, Pi-Hong Li, He Huang, Tao You, Zhi-Qiang Zheng 
World J Gastroenterol 20(48):18413-18419. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18413
Clinical Trials Study
Observational Study
Miroslav Vujasinovic, Bojan Tepes, Jana Makuc, Sasa Rudolf, Jelka Zaletel, Tjasa Vidmar, Maja Seruga, Bostjan Birsa 
World J Gastroenterol 20(48):18432-18438. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18432
Prospective Study
Takashi Sasaki, Hiroyuki Isayama, Yousuke Nakai, Yukiko Ito, Ichiro Yasuda, Nobuo Toda, Hiroshi Yagioka, Saburo Matsubara, Keiji Hanada, Hiroyuki Maguchi, Hideki Kamada, Osamu Hasebe, Tsuyoshi Mukai, Yoshihiro Okabe, Iruru Maetani, Kazuhiko Koike 
World J Gastroenterol 20(48):18452-18457. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18452
Randomized Clinical Trial
Han-Min Li, Zhi-Hua Ye, Jun Zhang, Xiang Gao, Yan-Ming Chen, Xin Yao, Jian-Xun Gu, Lei Zhan, Yang Ji, Jian-Liang Xu, Ying-He Zeng, Fan Yang, Lin Xiao, Guo-Guang Sheng, Wei Xin, Qi Long, Qing-Jing Zhu, Zhao-Hong Shi, Lian-Guo Ruan, Jia-Yao Yang, Chang-Chun Li, Hong-Bin Wu, Sheng-Duo Chen, Xin-La Luo 
World J Gastroenterol 20(48):18458-18465. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18458
Meta-Analysis
Case Report
Takuma Nomiya, Hiroko Akamatsu, Mayumi Harada, Ibuki Ota, Yasuhito Hagiwara, Mayumi Ichikawa, Misako Miwa, Shouhei Kawashiro, Motohisa Hagiwara, Masahiro Chin, Eiji Hashizume, Kenji Nemoto 
World J Gastroenterol 20(48):18480-18486. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18480
Sang-Wook Seo, Seung-Hwa Lee, Duck-Joo Lee, Kwang-Min Kim, Joon-Koo Kang, Do-Wan Kim, Jeong-Hun Lee 
World J Gastroenterol 20(48):18487-18494. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18487
Xiao-Chun Meng, Ting Jiang, Shu-Hong Yi, Pei-Yi Xie, Yue-Fei Guo, Li Quan, Jing Zhou, Kang-Shun Zhu, Hong Shan 
World J Gastroenterol 20(48):18495-18502. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18495
Yi-Xiong Zheng, Pankaj Prasoon, Yan Chen, Liang Hu, Li Chen 
World J Gastroenterol 20(48):18503-18506. Published online Dec 28, 2014. doi: 10.3748/wjg.v20.i48.18503