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Topic Highlight
Venkata S Tammana, Adeyinka O Laiyemo 
World J Gastroenterol 20(4):869-876. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.869
Kim YC Fung, Edouard Nice, Ilka Priebe, Damien Belobrajdic, Aloke Phatak, Leanne Purins, Bruce Tabor, Celine Pompeia, Trevor Lockett, Timothy E Adams, Antony Burgess, Leah Cosgrove 
World J Gastroenterol 20(4):888-898. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.888
Marco Candela, Silvia Turroni, Elena Biagi, Franck Carbonero, Simone Rampelli, Carla Fiorentini, Patrizia Brigidi 
World J Gastroenterol 20(4):908-922. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.908
Takao Hiraki, Hideo Gobara, Toshihiro Iguchi, Hiroyasu Fujiwara, Yusuke Matsui, Susumu Kanazawa 
World J Gastroenterol 20(4):988-996. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.988
Review
Wim Vermeulen, Joris G De Man, Paul A Pelckmans, Benedicte Y De Winter 
World J Gastroenterol 20(4):1005-1020. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1005
Original Article
Bi-Zeng Zhao, Jie Cao, Jin-Chen Shao, Yan-Bing Sun, Li-Min Fan, Chun-Yu Wu, Sheng Liang, Bao-Feng Guo, Guang Yang, Wen-Hui Xie, Qing-Cheng Yang, Shun-Fang Yang 
World J Gastroenterol 20(4):1030-1037. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1030
Brief Article
Vicent Hernandez, Joaquin Cubiella, M Carmen Gonzalez-Mao, Felipe Iglesias, Concepción Rivera, M Begoña Iglesias, Lucía Cid, Ines Castro, Luisa de Castro, Pablo Vega, Jose Antonio Hermo, Ramiro Macenlle, Alfonso Martínez-Turnes, David Martínez-Ares, Pamela Estevez, Estela Cid, M Carmen Vidal, Angeles López-Martínez, Elisabeth Hijona, Marta Herreros-Villanueva, Luis Bujanda, Jose Ignacio Rodriguez-Prada; the COLONPREV study investigators 
World J Gastroenterol 20(4):1038-1047. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1038
Seung Bae Yoon, Jae Myung Park, Jong-Yul Lee, Myong Ki Baeg, Chul-Hyun Lim, Jin Soo Kim, Yu Kyung Cho, In Seok Lee, Sang Woo Kim, Myung-Gyu Choi 
World J Gastroenterol 20(4):1061-1066. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1061
Xin Wang, Jing Jin, Ye-Xiong Li, Hua Ren, Hui Fang, Shu-Lian Wang, Yue-Ping Liu, Wei-Hu Wang, Zi-Hao Yu, Yong-Wen Song, Xin-Fan Liu 
World J Gastroenterol 20(4):1067-1073. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1067
Meta-Analysis
Zheng-Xu Wang, Jun-Xia Cao, Zhi-Ping Liu, Yu-Xin Cui, Chun-Yun Li, Duo Li, Xiao-Yan Zhang, Jin-Long Liu, Jun-Li Li 
World J Gastroenterol 20(4):1095-1106. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1095
Case Report
Yulia Viktorovna Evsyutina, Alexander Sergeevich Trukhmanov, Vladimir Trophimovich Ivashkin 
World J Gastroenterol 20(4):1114-1118. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1114
Jeik Byun, Hyoung-Min Oh, Soo-Hong Kim, Hyun-Young Kim, Sung-Eun Jung, Kwi-Won Park, Woo-Sun Kim 
World J Gastroenterol 20(4):1123-1126. Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.1123