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Open-Access Journal
Editorial
Lucia Carulli 
World J Gastroenterol 21(2):379-383. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.379
Review
Teresa Arrigo, Salvatore Leonardi, Caterina Cuppari, Sara Manti, Angela Lanzafame, Gabriella D’Angelo, Eloisa Gitto, Lucia Marseglia, Carmelo Salpietro 
World J Gastroenterol 21(2):384-395. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.384
Mohamed Bejaoui, Eirini Pantazi, Emma Folch-Puy, Pedro M Baptista, Agustín García-Gil, René Adam, Joan Roselló-Catafau 
World J Gastroenterol 21(2):396-407. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.396
Roberto J Carvalho-Filho, Ana Cristina CA Feldner, Antonio Eduardo B Silva, Maria Lucia G Ferraz 
World J Gastroenterol 21(2):408-422. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.408
Minireviews
Sami Alasari, Daero Lim, Nam Kyu Kim 
World J Gastroenterol 21(2):423-431. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.423
Yan-Hua Geng, Chang-Xing Wang, Jiang-Tao Li, Qing-Yu Chen, Xiu-Zhen Li, Hao Pan 
World J Gastroenterol 21(2):432-438. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.432
Basic Study
Tamara Vorobjova, Oivi Uibo, Kaire Heilman, Raivo Uibo 
World J Gastroenterol 21(2):439-452. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.439
Shintaro Uchiyama, Noritaka Saeki, Kazushige Ogawa 
World J Gastroenterol 21(2):453-464. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.453
Sehe Dong Lee, Jung Wan Choe, Beom Jae Lee, Myoung Hee Kang, Moon Kyung Joo, Ji Hoon Kim, Jong Eun Yeon, Jong-Jae Park, Jae Seon Kim, Young-Tae Bak 
World J Gastroenterol 21(2):465-474. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.465
Ke-Zhu Hou, Zhi-Qiang Fu, Hua Gong 
World J Gastroenterol 21(2):475-483. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.475
Jun Chen, Jia-Tian Dong, Xiao-Jing Li, Ye Gu, Zhi-Jian Cheng, Yuan-Kun Cai 
World J Gastroenterol 21(2):484-490. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.484
Wei-Yuan Wei, Lin-Hai Yan, Xiao-Tong Wang, Lei Li, Wen-Long Cao, Xiao-Shi Zhang, Ze-Xu Zhan, Han Yu, Yu-Bo Xie, Qiang Xiao 
World J Gastroenterol 21(2):491-501. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.491
Case Control Study
Ban Seok Lee, Eun-Cheol Park, Seung Woo Park, Chung Mo Nam, Jaehoon Roh 
World J Gastroenterol 21(2):502-510. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.502
Qian Xu, Ying Li, Yong-Fang Shang, Hui-Ling Wang, Min-Xiu Yao 
World J Gastroenterol 21(2):511-516. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.511
Retrospective Study
Mohamed Abdel-Rehim, Maxime Ronot, Annie Sibert, Valérie Vilgrain 
World J Gastroenterol 21(2):517-524. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.517
Peter Klare, Stefan Ascher, Alexander Hapfelmeier, Petra Wolf, Analena Beitz, Roland M Schmid, Stefan von Delius 
World J Gastroenterol 21(2):525-532. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.525
Keigo Suetani, Chiaki Okuse, Kazunari Nakahara, Yosuke Michikawa, Yohei Noguchi, Midori Suzuki, Ryo Morita, Nozomi Sato, Masaki Kato, Fumio Itoh 
World J Gastroenterol 21(2):533-540. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.533
Nozomi Kamijo, Akihiro Matsumoto, Takeji Umemura, Soichiro Shibata, Yuki Ichikawa, Takefumi Kimura, Michiharu Komatsu, Eiji Tanaka 
World J Gastroenterol 21(2):541-548. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.541
Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Hiroki Shimizu, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Mitsuo Kishimoto, Eigo Otsuji 
World J Gastroenterol 21(2):549-555. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.549
Joonsung Choi, Soon Nam Oh, Dong-Myung Yeo, Won Kyung Kang, Chan-Kwon Jung, Sang Woo Kim, Michael Yong Park 
World J Gastroenterol 21(2):556-562. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.556
Kyungyeon Hwang, In Ja Park, Chang Sik Yu, Seok-Byung Lim, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, Jin Cheon Kim 
World J Gastroenterol 21(2):563-570. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.563
Eun Hyo Jin, Dong Ho Lee, Sung-Ae Jung, Ki-Nam Shim, Ji Yeon Seo, Nayoung Kim, Cheol Min Shin, Hyuk Yoon, Hyun Chae Jung 
World J Gastroenterol 21(2):571-577. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.571
De-Jun Zhou, Zhen-Bo Dai, Malcolm M Wells, Dan-Lei Yu, Jing Zhang, Lei Zhang 
World J Gastroenterol 21(2):578-583. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.578
Shu Shen, Li Jiang, Guang-Qin Xiao, Lu-Nan Yan, Jia-Yin Yang, Tian-Fu Wen, Bo Li, Wen-Tao Wang, Ming-Qing Xu, Yong-Gang Wei 
World J Gastroenterol 21(2):584-592. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.584
Clinical Trials Study
Sarah K McGill, Shivangi Kothari, Shai Friedland, Ann Chen, Walter G Park, Subhas Banerjee 
World J Gastroenterol 21(2):593-599. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.593
Elisabet Johannesson, Gisela Ringström, Hasse Abrahamsson, Riadh Sadik 
World J Gastroenterol 21(2):600-608. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.600
Ayman El Nakeeb, Ahmad M Sultan, Emad Hamdy, Ehab El Hanafy, Ehab Atef, Tarek Salah, Ahmed A El Geidie, Tharwat Kandil, Mohamed El Shobari, Gamal El Ebidy 
World J Gastroenterol 21(2):609-615. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.609
Bhadravathi Marigowda Shivakumar, Harish Rotti, Thanvanthri Gururajan Vasudevan, Aswath Balakrishnan, Sanjiban Chakrabarty, Ganesh Bhat, Lakshmi Rao, Cannanore Ganesh Pai, Kapaettu Satyamoorthy 
World J Gastroenterol 21(2):616-622. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.616
Hei-Ying Jin, Qiang Leng 
World J Gastroenterol 21(2):623-628. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.623
Observational Study
Thein Myint, Seiji Shiota, Ratha-korn Vilaichone, New Ni, Than Than Aye, Miyuki Matsuda, Trang Thi Huyen Tran, Tomohisa Uchida, Varocha Mahachai, Yoshio Yamaoka 
World J Gastroenterol 21(2):629-636. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.629
Nahla A Azzam, Majid A Almadi, Hessah Hamad Alamar, Lamis Atyah Almalki, Rehab Nawaf Alrashedi, Rawabi Saleh Alghamdi, Waleed Al-hamoudi 
World J Gastroenterol 21(2):637-643. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.637
Prospective Study
Ali S Alfazari, Bayan Al-Dabbagh, Wafa Al-Dhaheri, Mazen S Taha, Ahmad A Chebli, Eva M Fontagnier, Zaher Koutoubi, Jose Kochiyi, Sherif M Karam, Abdul-Kader Souid 
World J Gastroenterol 21(2):644-652. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.644
Er-Li Gu, Yi-Qi Yu, Jia-Li Wang, Yan-Yan Ji, Xiu-Yun Ma, Qing Xie, Hong-Ying Pan, Shan-Min Wu, Jun Li, Cheng-Wei Chen, Xiao-Wei Xu, Yue-Er Wang, Guang-Bi Yao, Hong Wang, Wen-Hong Zhang 
World J Gastroenterol 21(2):653-660. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.653
Randomized Controlled Trial
Fariborz Mansour-Ghanaei, Farahnaz Joukar, Mohammad Reza Naghipour, Atena Forouhari, Seyed Mohammad Seyed Saadat 
World J Gastroenterol 21(2):661-666. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.661
Evidence-Based Medicine
Min Jung Jo, Ji Yeon Park, Joon Seon Song, Myeong-Cherl Kook, Keun Won Ryu, Soo-Jeong Cho, Jun Ho Lee, Byung-Ho Nam, Eun Kyung Hong, Il Ju Choi, Young-Woo Kim 
World J Gastroenterol 21(2):667-674. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.667
Systematic Reviews
Sami Akbulut 
World J Gastroenterol 21(2):675-687. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.675
Case Report
Man Fai Law, Cheuk Kei Wong, Chun Yin Pang, Hay Nun Chan, Ho Kei Lai, Chung Yin Ha, Celia Ng, Yiu Ming Yeung, Sze Fai Yip 
World J Gastroenterol 21(2):688-693. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.688
Hong-Qiao Gao, Yin-Mo Yang, Yan Zhuang, Ping Liu 
World J Gastroenterol 21(2):694-698. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.694
Hao-Zhe Sun, Hong Shi, Shun-Cai Zhang, Xi-Zhong Shen 
World J Gastroenterol 21(2):699-703. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.699
Yong Huang, Le-Ping Li, Jing Wang, Zeng-Jun Lun, Wei Li, Zhen Yang 
World J Gastroenterol 21(2):704-710. Published online Jan 14, 2015. doi: 10.3748/wjg.v21.i2.704
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