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Open-Access Journal
Editorial
Review
Luigi Elio Adinolfi, Riccardo Nevola, Giacomo Lus, Luciano Restivo, Barbara Guerrera, Ciro Romano, Rosa Zampino, Luca Rinaldi, Ausilia Sellitto, Mauro Giordano, Aldo Marrone 
World J Gastroenterol 21(8):2269-2280. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2269
Francesco Puleo, Raphaël Maréchal, Pieter Demetter, Maria-Antonietta Bali, Annabelle Calomme, Jean Closset, Jean-Baptiste Bachet, Jacques Deviere, Jean-Luc Van Laethem 
World J Gastroenterol 21(8):2281-2293. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2281
Marwan Ghosn, Hampig Raphael Kourie, Pamela Abdayem, Joelle Antoun, Dolly Nasr 
World J Gastroenterol 21(8):2294-2302. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2294
Minireviews
Basic Study
Zhong-Min Wang, Jian Lu, Li-Yun Zhang, Xiao-Zhu Lin, Ke-Min Chen, Zhi-Jin Chen, Fen-Ju Liu, Fu-Hua Yan, Gao-Jun Teng, Ai-Wu Mao 
World J Gastroenterol 21(8):2336-2342. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2336
Song Jin, Kai Cui, Zi-Qiang Sun, Yang-Yang Shen, Pang Li, Zhen-Dan Wang, Fei-Fei Li, Ke-Nan Gong, Sheng Li 
World J Gastroenterol 21(8):2343-2351. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2343
Case Control Study
Georgios Georgantis, Theodoros Syrakos, Theodoros Agorastos, Spiridon Miliaras, Asterios Gagalis, Georgios Tsoulfas, Konstantinos Spanos, Georgios Marakis 
World J Gastroenterol 21(8):2352-2357. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2352
Retrospective Study
Leolin Katsidzira, Innocent Tichaona Gangaidzo, Munyaradzi Paul Mapingure, Jonathan Arthur Matenga 
World J Gastroenterol 21(8):2374-2380. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2374
Do Seon Song, Soon Woo Nam, Si Hyun Bae, Jin Dong Kim, Jeong Won Jang, Myeong Jun Song, Sung Won Lee, Hee Yeon Kim, Young Joon Lee, Ho Jong Chun, Young Kyoung You, Jong Young Choi, Seung Kew Yoon 
World J Gastroenterol 21(8):2395-2404. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2395
Jun Lu, Zhen-Quan Wei, Chang-Ming Huang, Chao-Hui Zheng, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Qi-Yue Chen, Long-Long Cao, Mi Lin 
World J Gastroenterol 21(8):2425-2432. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2425
Clinical Trials Study
Bing Xia, Le Zhang, Shan-Qi Guo, Xiao-Wu Li, Fu-Lian Qu, Hai-Feng Zhao, Lian-Yu Zhang, Bao-Cun Sun, James You, Yi-Zhuo Zhang 
World J Gastroenterol 21(8):2433-2442. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2433
Observational Study
Jonathan R Strosberg, George A Fisher, Al B Benson, Lowell B Anthony, Bulent Arslan, John F Gibbs, Edward Greeno, Renuka V Iyer, Michelle K Kim, William J Maples, Philip A Philip, Edward M Wolin, Dasha Cherepanov, Michael S Broder 
World J Gastroenterol 21(8):2450-2459. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2450
Chisato Hamashima, Kazuei Ogoshi, Rintarou Narisawa, Tomoki Kishi, Toshiyuki Kato, Kazutaka Fujita, Masatoshi Sano, Satoshi Tsukioka 
World J Gastroenterol 21(8):2460-2466. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2460
Ting-Hui Jiang, Xian-Jun Sun, Yue Chen, Hui-Qin Cheng, Shi-Ming Fang, Hao-Sheng Jiang, Yan Cao, Bing-Yan Liu, Shao-Qiu Wu, Ai-Wu Mao 
World J Gastroenterol 21(8):2467-2474. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2467
Prospective Study
Randomized Clinical Trial
Zhi-Gang Wang, Yong Zhang, Xian-Dong Zeng, Tie-Hui Zhang, Qi-Dong Zhu, De-Long Liu, Yun-Yu Qiao, Nan Mu, Zhi-Tao Yin 
World J Gastroenterol 21(8):2490-2496. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2490
Evidence-Based Medicine
Hyuk Yoon, Dong Ho Lee, Eun Sun Jang, Jaihwan Kim, Cheol Min Shin, Young Soo Park, Jin-Hyeok Hwang, Jin-Wook Kim, Sook-Hayng Jeong, Nayoung Kim 
World J Gastroenterol 21(8):2497-2503. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2497
Meta-Analysis
Yi-Chao Wang, Peter Szatmary, Jing-Qiang Zhu, Jun-Jie Xiong, Wei Huang, Ilias Gomatos, Quentin M Nunes, Robert Sutton, Xu-Bao Liu 
World J Gastroenterol 21(8):2510-2521. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2510
Case Report
Radana Kotalova, Petra Dusatkova, Ondrej Cinek, Lenka Dusatkova, Tomas Dedic, Tomas Seeman, Jan Lebl, Stepanka Pruhova 
World J Gastroenterol 21(8):2550-2557. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2550
Joung Boom Hong, Hyung Wook Kim, Dae Hwan Kang, Cheol Woong Choi, Su Bum Park, Dong Jun Kim, Byoung Hoon Ji, Kyung Won Koh 
World J Gastroenterol 21(8):2563-2567. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2563
Xian-Ke Lin, Qing Zhang, Wei-Li Yang, Chun-Hui Shou, Xiao-Sun Liu, Jian-Yi Sun, Ji-Ren Yu 
World J Gastroenterol 21(8):2573-2576. Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2573