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Open-Access Journal
Topic Highlight
Rossana Berardi, Elena Maccaroni, Azzurra Onofri, Francesca Morgese, Mariangela Torniai, Michela Tiberi, Consuelo Ferrini, Stefano Cascinu 
World J Gastroenterol 20(46):17279-17287. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17279
Review
Roberta Elisa Rossi, Ioanna Parisi, Edward John Despott, Andrew Kenneth Burroughs, James O'Beirne, Dario Conte, Mark Ian Hamilton, Charles Daniel Murray 
World J Gastroenterol 20(46):17352-17359. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17352
Original Article
Research Report
Marek Saracyn, Marek Brytan, Robert Zdanowski, Tomasz Ząbkowski, Przemysław Dyrla, Janusz Patera, Stanisław Wojtuń, Wojciech Kozłowski, Zofia Wańkowicz 
World J Gastroenterol 20(46):17407-17415. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17407
Evidence-Based Medicine
Tan To Cheung, Ronnie TP Poon, Kenneth SH Chok, Albert CY Chan, Simon HY Tsang, Wing Chiu Dai, See Ching Chan, Sheung Tat Fan, Chung Mau Lo 
World J Gastroenterol 20(46):17448-17455. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17448
Case Control Study
Sawako Kuruma, Naoto Egawa, Masanao Kurata, Goro Honda, Terumi Kamisawa, Junko Ueda, Hiroshi Ishii, Makoto Ueno, Haruhisa Nakao, Mitsuru Mori, Keitaro Matsuo, Satoyo Hosono, Shinichi Ohkawa, Kenji Wakai, Kozue Nakamura, Akiko Tamakoshi, Masanori Nojima, Mami Takahashi, Kazuaki Shimada, Takeshi Nishiyama, Shogo Kikuchi, Yingsong Lin 
World J Gastroenterol 20(46):17456-17462. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17456
Retrospective Study
Alberto Mariani, Milena Di Leo, Maria Chiara Petrone, Paolo Giorgio Arcidiacono, Antonella Giussani, Raffaella Alessia Zuppardo, Giulia Martina Cavestro, Pier Alberto Testoni 
World J Gastroenterol 20(46):17468-17475. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17468
Yu-Tien Chang, Chung-Tay Yao, Sui-Lung Su, Yu-Ching Chou, Chi-Ming Chu, Chi-Shuan Huang, Harn-Jing Terng, Hsiu-Ling Chou, Thomas Wetter, Kang-Hua Chen, Chi-Wen Chang, Yun-Wen Shih, Ching-Huang Lai 
World J Gastroenterol 20(46):17476-17482. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17476
Clinical Trials Study
Niklas Gebauer, Christian Schmidt-Werthern, Veronica Bernard, Alfred C Feller, Tobias Keck, Nehara Begum, Dirk Rades, Hendrik Lehnert, Georg Brabant, Christoph Thorns 
World J Gastroenterol 20(46):17498-17506. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17498
Observational Study
Juan Camilo Nieto, Elisabet Sánchez, Eva Román, Silvia Vidal, Laia Oliva, Carlos Guarner-Argente, Maria Poca, Xavier Torras, Cándido Juárez, Carlos Guarner, German Soriano 
World J Gastroenterol 20(46):17516-17524. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17516
Nidhi Singh, Prasenjit Das, Surabhi Gupta, Vikas Sachdev, Siddhartha Srivasatava, Siddhartha Datta Gupta, Ravindra Mohan Pandey, Peush Sahni, Shyam S Chauhan, Anoop Saraya 
World J Gastroenterol 20(46):17532-17540. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17532
Kazutomo Togashi, Kenichi Utano, Shigeyoshi Kijima, Yosuke Sato, Hisanaga Horie, Keijirou Sunada, Alan T Lefor, Hideharu Sugimoto, Yoshikazu Yasuda 
World J Gastroenterol 20(46):17552-17557. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17552
Prospective Study
Samuel Quan, Alexandra Frolkis, Kaylee Milne, Natalie Molodecky, Hong Yang, Elijah Dixon, Chad G Ball, Robert P Myers, Subrata Ghosh, Robert Hilsden, Sander Veldhuyzen van Zanten, Gilaad G Kaplan 
World J Gastroenterol 20(46):17568-17577. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17568
Yu Fang, Lei Chen, Dong-Feng Chen, Wan-Ying Ren, Cai-Fei Shen, Yin Xu, Yi-Ju Xia, Jing-Wen Li, Pu Wang, An-Ran Zhang, Shun-Zi Shao, Xiao-Na Yu, Gui-Yong Peng, Dian-Chun Fang 
World J Gastroenterol 20(46):17588-17594. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17588
Systematic Reviews
Paolo Limongelli, Chiara Vitiello, Andrea Belli, Madhava Pai, Salvatore Tolone, Gianmattia del Genio, Luigi Brusciano, Giovanni Docimo, Nagy Habib, Giulio Belli, Long Richard Jiao, Ludovico Docimo 
World J Gastroenterol 20(46):17595-17602. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17595
Meta-Analysis
Elena Lionetti, Salvatore Leonardi, Angela Lanzafame, Maria Teresa Garozzo, Martina Filippelli, Stefania Tomarchio, Viviana Ferrara, Carmelo Salpietro, Alfredo Pulvirenti, Ruggiero Francavilla, Carlo Catassi 
World J Gastroenterol 20(46):17635-17647. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17635
Case Report
Yasuhisa Mori, Norihiro Sato, Nobutaka Matayoshi, Toshihisa Tamura, Noritaka Minagawa, Kazunori Shibao, Aiichiro Higure, Mitsuhiro Nakamoto, Masashi Taguchi, Koji Yamaguchi 
World J Gastroenterol 20(46):17661-17665. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17661
Letters To The Editor
Lucia Montenegro, Domenico Piscitelli, Floriana Giorgio, Claudia Covelli, Maria Grazia Fiore, Giuseppe Losurdo, Andrea Iannone, Enzo Ierardi, Alfredo Di Leo, Mariabeatrice Principi 
World J Gastroenterol 20(46):17686-17689. Published online Dec 14, 2014. doi: 10.3748/wjg.v20.i46.17686