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Open-Access Journal
Editorial
Vincenzo Villanacci, Elisabetta Antonelli, Karel Geboes, Giovanni Casella, Gabrio Bassotti 
World J Gastroenterol 19(7):968-978. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.968
Topic Highlight
Xue-Hong Zhang, Jing Ma, Stephanie A Smith-Warner, Jung Eun Lee, Edward Giovannucci 
World J Gastroenterol 19(7):1005-1010. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1005
Review
Pascal Frei, Luc Biedermann, Ole Haagen Nielsen, Gerhard Rogler 
World J Gastroenterol 19(7):1040-1048. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1040
Minireview
Original Article
Saurabh Kumar Patel, Chandra Bhan Pratap, Ajay Kumar Verma, Ashok Kumar Jain, Vinod Kumar Dixit, Gopal Nath 
World J Gastroenterol 19(7):1056-1067. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1056
Fan Feng, Yin-Ying Lu, Fan Zhang, Xu-Dong Gao, Chuan-Fu Zhang, Alex Meredith, Zhong-Xian Xu, Yu-Tao Yang, Xiu-Juan Chang, Hong Wang, Jian-Hui Qu, Zhen Zeng, Jun-Lan Yang, Chun-Ping Wang, Yun-Feng Zhu, Jia-Jun Cui, Yong-Ping Yang 
World J Gastroenterol 19(7):1068-1078. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1068
Brief Article
Irene S Sonu, Wojciech Blonski, Ming Valerie Lin, James Lewis, Faten Aberra, Gary R Lichtenstein 
World J Gastroenterol 19(7):1079-1084. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1079
Irit Rosen, Michal Kori, Orly Eshach Adiv, Baruch Yerushalmi, Nataly Zion, Ron Shaoul 
World J Gastroenterol 19(7):1098-1103. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1098
Meta-Analysis
Jun-Jie Xiong, Kiran Altaf, Muhammad A Javed, Quentin M Nunes, Wei Huang, Gang Mai, Chun-Lu Tan, Rajarshi Mukherjee, Robert Sutton, Wei-Ming Hu, Xu-Bao Liu 
World J Gastroenterol 19(7):1124-1134. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1124
Case Report
Hirohito Mori, Shintaro Fujihara, Noriko Nishiyama, Hideki Kobara, Makoto Oryu, Kiyohito Kato, Kazi Rafiq, Tsutomu Masaki 
World J Gastroenterol 19(7):1143-1146. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1143
Rita Slim, Joseph Amara, Roy Nasnas, Khalil Honein, Joseph Bou Jaoude, Cesar Yaghi, Fady Daniel, Raymond Sayegh 
World J Gastroenterol 19(7):1147-1149. Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1147
Letters To The Editor