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Open-Access Journal
Editorial
Masami Minemura, Yukihiro Shimizu 
World J Gastroenterol 21(6):1691-1702. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1691
Therapeutics Advances
Review
Fanni Rencz, Márta Péntek, Martin Bortlik, Edyta Zagorowicz, Tibor Hlavaty, Andrzej Śliwczyński, Mihai M Diculescu, Limas Kupcinskas, Krisztina B Gecse, László Gulácsi, Peter L Lakatos 
World J Gastroenterol 21(6):1728-1737. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1728
Evangelos Cholongitas, Konstantinos Tziomalos, Chrysoula Pipili 
World J Gastroenterol 21(6):1738-1748. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1738
Basic Study
Raymond A Isidro, Myrella L Cruz, Angel A Isidro, Axel Baez, Axel Arroyo, William A González-Marqués, Carmen González-Keelan, Esther A Torres, Caroline B Appleyard 
World J Gastroenterol 21(6):1749-1758. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1749
Elke Kaemmerer, Paula Kuhn, Ursula Schneider, Thomas Clahsen, Min Kyung Jeon, Christina Klaus, Julia Andruszkow, Michael Härer, Sabine Ernst, Angela Schippers, Norbert Wagner, Nikolaus Gassler 
World J Gastroenterol 21(6):1759-1764. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1759
Eirini Pantazi, Mohamed Amine Zaouali, Mohamed Bejaoui, Emma Folch-Puy, Hassen Ben Abdennebi, Ana Teresa Varela, Anabela Pinto Rolo, Carlos Marques Palmeira, Joan Roselló-Catafau 
World J Gastroenterol 21(6):1765-1774. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1765
Bergthor Björnsson, Linda Bojmar, Hans Olsson, Tommy Sundqvist, Per Sandström 
World J Gastroenterol 21(6):1775-1783. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1775
Jun-ichi Takino, Kentaro Nagamine, Masayoshi Takeuchi, Takamitsu Hori 
World J Gastroenterol 21(6):1784-1793. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1784
Ting Zhang, Bo Jiang, Shi-Tao Zou, Fen Liu, Dong Hua 
World J Gastroenterol 21(6):1804-1813. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1804
Dong Zhou, Peng Dong, Yu-Min Li, Fa-Cai Guo, An-Ping Zhang, Run-Ze Song, Ya-Min Zhang, Zhi-Yong Li, Dong Yuan, Chuan Yang 
World J Gastroenterol 21(6):1814-1820. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1814
Case Control Study
Bulent Dinc, Alten Oskay, Selcan Enver Dinc, Bilge Bas, Sabri Tekin 
World J Gastroenterol 21(6):1821-1826. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1821
Basak Doganavsargil, Gulruh Emiroglu Buberal, Huseyin Toz, Banu Sarsik, Burcin Pehlivanoglu, Murat Sezak, Sait Sen 
World J Gastroenterol 21(6):1827-1837. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1827
Retrospective Cohort Study
Hao Chen, Dan-Ping Shen, Zi-Zhen Zhang, Jia-Hua Liu, Yan-Ying Shen, Xing-Zhi Ni 
World J Gastroenterol 21(6):1838-1844. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1838
Retrospective Study
Jun Ho Yi, Byeong-Bae Park, Jung Hun Kang, Se Hoon Park, Sung Hee Lim, Young-Woong Won, Keon Woo Park, Do Hyoung Lim, Soon Il Lee, Hee Kyung Ahn, Sun Jin Sym, Dong Bok Shin, In Gyu Hwang 
World J Gastroenterol 21(6):1845-1850. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1845
Yi-Fan Peng, Wei-Dong Yu, Hong-Da Pan, Lin Wang, Ming Li, Yun-Feng Yao, Jun Zhao, Jin Gu 
World J Gastroenterol 21(6):1851-1856. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1851
Hua Huang, Wei Wang, Zhong Chen, Jie-Jie Jin, Zi-Wen Long, Hong Cai, Xiao-Wen Liu, Ye Zhou, Ya-Nong Wang 
World J Gastroenterol 21(6):1865-1871. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1865
Hui Yang, Xiao-Fei Lu, Yun-Fei Xu, Hong-Da Liu, Sen Guo, Yi Liu, Yu-Xin Chen 
World J Gastroenterol 21(6):1872-1879. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1872
Clinical Trials Study
Ken Kawakami, Takuya Inoue, Mitsuyuki Murano, Ken Narabayashi, Sadaharu Nouda, Kumi Ishida, Yosuke Abe, Koji Nogami, Nobuyuki Hida, Hirokazu Yamagami, Kenji Watanabe, Eiji Umegaki, Shiro Nakamura, Tetsuo Arakawa, Kazuhide Higuchi 
World J Gastroenterol 21(6):1880-1886. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1880
Observational Study
Sophie Balzora, Benjamin Abiri, Xiao-Jing Wang, James McKeever, Michael Poles, Sondra Zabar, Colleen Gillespie, Elizabeth Weinshel 
World J Gastroenterol 21(6):1887-1892. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1887
Sarah W Kinsinger, Sarah Ballou, Laurie Keefer 
World J Gastroenterol 21(6):1893-1899. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1893
Toufic Kachaamy, Edwyn Harrison, Rahul Pannala, William Pavlicek, Michael D Crowell, Douglas O Faigel 
World J Gastroenterol 21(6):1900-1906. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1900
Bella Ungar, Adi Anafy, Henit Yanai, Yulia Ron, Miri Yavzori, Orit Picard, Ella Fudim, Ronen Loebstein, Uri Kopylov, Yehuda Chowers, Iris Dotan, Rami Eliakim, Shomron Ben-Horin 
World J Gastroenterol 21(6):1907-1914. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1907
Prospective Study
Rachele Ciccocioppo, Francesca Racca, Stefania Paolucci, Giulia Campanini, Lodovica Pozzi, Elena Betti, Roberta Riboni, Alessandro Vanoli, Fausto Baldanti, Gino Roberto Corazza 
World J Gastroenterol 21(6):1915-1926. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1915
Hao-Feng Xiong, Jing-Yuan Liu, Li-Min Guo, Xing-Wang Li 
World J Gastroenterol 21(6):1927-1931. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1927
Shu-Man Jiang, Lin Jia, Xiao-Gai Lei, Ming Xu, Sheng-Bing Wang, Jing Liu, Min Song, Wei-Dong Li 
World J Gastroenterol 21(6):1932-1937. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1932
Randomized Controlled Trial
Ala I Sharara, Ali H Harb, Fayez S Sarkis, Jean M Chalhoub, Rami Badreddine, Fadi H Mourad, Mahmoud Othman, Omar Masri 
World J Gastroenterol 21(6):1938-1944. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1938
Systematic Reviews
Michael S Broder, David Beenhouwer, Jonathan R Strosberg, Maureen P Neary, Dasha Cherepanov 
World J Gastroenterol 21(6):1945-1955. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1945
A Boudewijn de Vries, Marcel Janse, Rinse K Weersma, Hans Blokzijl 
World J Gastroenterol 21(6):1956-1971. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1956
Case Report
Kenta Baba, Akihiko Oshita, Mohei Kohyama, Satoshi Inoue, Yuta Kuroo, Takuro Yamaguchi, Hiroyuki Nakamura, Yoichi Sugiyama, Tatsuya Tazaki, Masaru Sasaki, Yuji Imamura, Yutaka Daimaru, Hideki Ohdan, Atsushi Nakamitsu 
World J Gastroenterol 21(6):1982-1988. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1982
Jiyoung Lee, Sung Wook Lee, Sang Young Han, Yang Hyun Baek, Su Young Kim, Hyo In Rhyou 
World J Gastroenterol 21(6):1989-1993. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1989
Yong Min Jo, Sung Wook Lee, Sang Young Han, Yang Hyun Baek, Soo Young Kim, Woo Jae Kim, Ji Hye Ahn, Ji Young Lee 
World J Gastroenterol 21(6):1994-1999. Published online Feb 14, 2015. doi: 10.3748/wjg.v21.i6.1994
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