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Open-Access Journal
Minireviews
Xing-Shun Qi, Xiao-Zhong Guo, Guo-Hong Han, Hong-Yu Li, Jiang Chen 
World J Gastroenterol 21(18):5445-5453. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5445
Basic Study
Zuo-Wu Xi, Shi-Yong Xin, Li-Qing Zhou, Hai-Xin Yuan, Qian Wang, Kai-Xuan Chen 
World J Gastroenterol 21(18):5454-5464. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5454
Jun Xie, Jie Liu, Tu-Ming Chen, Qing Lan, Qing-Yu Zhang, Bin Liu, Dong Dai, Wei-Dong Zhang, Li-Ping Hu, Run-Zhi Zhu 
World J Gastroenterol 21(18):5473-5481. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5473
Zhong-Xin Li, Man-Cai Wang, You-Cheng Zhang, Jie Mao, Mo Chen, Rui Ni, Feng-Xian Wei, Gen-Nian Wang, Ling-Yi Zhang 
World J Gastroenterol 21(18):5482-5487. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5482
Case Control Study
Retrospective Cohort Study
Jan Sperl, Sona Frankova, Renata Senkerikova, Magdalena Neroldova, Vaclav Hejda, Miroslava Volfova, Dusan Merta, Ondrej Viklicky, Julius Spicak, Milan Jirsa 
World J Gastroenterol 21(18):5496-5504. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5496
Zhen-Xu Zhou, Li-Ying Zhao, Tian Lin, Hao Liu, Hai-Jun Deng, Heng-Liang Zhu, Jun Yan, Guo-Xin Li 
World J Gastroenterol 21(18):5505-5512. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5505
Retrospective Study
Chin Hur, Sung Eun Choi, Chung Yin Kong, Gui-Qi Wang, Hong Xu, Alexandros D Polydorides, Li-Yan Xue, Katherine E Perzan, Angela C Tramontano, Rebecca R Richards-Kortum, Sharmila Anandasabapathy 
World J Gastroenterol 21(18):5513-5523. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5513
Miranda AL van Tilburg, Rona L Levy, Lynn S Walker, Michael Von Korff, Lauren D Feld, Michelle Garner, Andrew D Feld, William E Whitehead 
World J Gastroenterol 21(18):5532-5541. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5532
Valeria Barresi, Giovanni Branca, Antonio Ieni, Luciana Rigoli, Giovanni Tuccari, Rosario Alberto Caruso 
World J Gastroenterol 21(18):5548-5554. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5548
Mizue Matsuura, Masahiko Inamori, Atsushi Nakajima, Yasuhiko Komiya, Yumi Inoh, Keigo Kawasima, Mai Naitoh, Yuji Fujita, Akiko Eduka, Noriyoshi Kanazawa, Shiori Uchiyama, Rie Tani, Kennichi Kawana, Setsuya Ohtani, Hajime Nagase 
World J Gastroenterol 21(18):5555-5559. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5555
Naomi Kakushima, Hideyuki Kanemoto, Keiko Sasaki, Noboru Kawata, Masaki Tanaka, Kohei Takizawa, Kenichiro Imai, Kinichi Hotta, Hiroyuki Matsubayashi, Hiroyuki Ono 
World J Gastroenterol 21(18):5560-5567. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5560
Jae Jin Hwang, Dong Ho Lee, Ae-Ra Lee, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Nayoung Kim 
World J Gastroenterol 21(18):5568-5574. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5568
Murat Kekilli, Alpaslan Tanoglu, Yusuf Serdar Sakin, Mevlut Kurt, Serkan Ocal, Sait Bagci 
World J Gastroenterol 21(18):5575-5581. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5575
Hao Duan, Xu Zhang, Fei-Xiang Wang, Mu-Yan Cai, Guo-Wei Ma, Hong Yang, Jian-Hua Fu, Zi-Hui Tan, Yu-Qi Meng, Xia-Yu Fu, Qi-Long Ma, Peng Lin 
World J Gastroenterol 21(18):5591-5597. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5591
Dan-Yun Ruan, Ze-Xiao Lin, Yang Li, Nan Jiang, Xing Li, Dong-Hao Wu, Tian-Tian Wang, Jie Chen, Qu Lin, Xiang-Yuan Wu 
World J Gastroenterol 21(18):5598-5606. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5598
Qing Pang, Jing-Yao Zhang, Xin-Sen Xu, Si-Dong Song, Kai Qu, Wei Chen, Yan-Yan Zhou, Run-Chen Miao, Su-Shun Liu, Ya-Feng Dong, Chang Liu 
World J Gastroenterol 21(18):5607-5621. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5607
Fang-Biao Zhang, Hong-Can Shi, Yu-Sheng Shu, Wei-Ping Shi, Shi-Chun Lu, Xiang-Yan Zhang, Shao-Song Tu 
World J Gastroenterol 21(18):5630-5634. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5630
Clinical Trials Study
Anne Marie O’Donnell, David Coyle, Prem Puri 
World J Gastroenterol 21(18):5635-5640. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5635
Observational Study
Prospective Study
Benjamin Terrier, Nathanael Lapidus, Stanislas Pol, Lawrence Serfaty, Vlad Ratziu, Tarik Asselah, Vincent Thibault, Jean-Claude Souberbielle, Fabrice Carrat, Patrice Cacoub 
World J Gastroenterol 21(18):5647-5653. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5647
Asmaa I Gomaa, Alzhraa Al-Khatib, Wael Abdel-Razek, Mohammed Saad Hashim, Imam Waked 
World J Gastroenterol 21(18):5654-5662. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5654
Maya Paritsky, Nina Pastukh, Diana Brodsky, Natalya Isakovich, Avi Peretz 
World J Gastroenterol 21(18):5663-5667. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5663
Chang-Tai Wang, Ya-Fei Zhang, Bing-Hu Sun, Yu Dai, Hui-Lan Zhu, Yuan-Hong Xu, Meng-Ji Lu, Dong-Liang Yang, Xu Li, Zhen-Hua Zhang 
World J Gastroenterol 21(18):5668-5676. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5668
Randomized Controlled Trial
Eran Israeli, Ehud Zigmond, Gadi Lalazar, Athalia Klein, Nilla Hemed, Eran Goldin, Yaron Ilan 
World J Gastroenterol 21(18):5685-5694. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5685
Systematic Reviews
Jin-Zhou Zhu, Qin-Yi Zhou, Yu-Ming Wang, Yi-Ning Dai, Jiang Zhu, Chao-Hui Yu, You-Ming Li 
World J Gastroenterol 21(18):5695-5706. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5695
Meta-Analysis
Zi-Wen Long, Hong-Mei Yu, Ya-Nong Wang, Dan Liu, Yan-Zhi Chen, Yu-Xia Zhao, Lu Bai 
World J Gastroenterol 21(18):5707-5718. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5707
Chang-Wei Dou, Zhi-Kui Liu, Yu-Li Jia, Xin Zheng, Kang-Sheng Tu, Ying-Min Yao, Qing-Guang Liu 
World J Gastroenterol 21(18):5719-5734. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5719
Case Report
Alexander Wuschek, Sara Iqbal, Jerry Estep, Eamonn Quigley, David Richards 
World J Gastroenterol 21(18):5735-5738. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5735
Letter to the Editor
Aymeric Becq, Violaine Ozenne, Aurélie Plessier, Patrice Valleur, Xavier Dray 
World J Gastroenterol 21(18):5749-5750. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5749
Li-Zsa Tan, Susan E Adams, Alison Kennedy, Helen Kepreotes, Chee Y Ooi 
World J Gastroenterol 21(18):5751-5754. Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5751
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