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Minireviews
Original Article
Ying-Yin Ni, Yan Chen, Shun-Yuan Lu, Bi-Ying Sun, Fang Wang, Xiao-Lin Wu, Su-Ying Dang, Guo-Hua Zhang, Hong-Xin Zhang, Yin Kuang, Jian Fei, Ming-Min Gu, Wei-Fang Rong, Zhu-Gang Wang 
World J Gastroenterol 20(2):498-508. Published online Jan 14, 2014. doi: 10.3748/wjg.v20.i2.498
Brief Article
Toshihiro Inokuchi, Jun Kato, Sakiko Hiraoka, Hideyuki Suzuki, Asuka Nakarai, Tomoko Hirakawa, Mitsuhiro Akita, Sakuma Takahashi, Keita Harada, Hiroyuki Okada, Kazuhide Yamamoto 
World J Gastroenterol 20(2):509-517. Published online Jan 14, 2014. doi: 10.3748/wjg.v20.i2.509
Meta-Analysis
Case Report
Hiroshi Okamoto, Yasuyuki Hara, Masahiro Chin, Motohisa Hagiwara, Yuji Onodera, Shinichiro Horii, Yasuhiro Shirahata, Takashi Kamei, Eiji Hashizume, Noriaki Ohuchi 
World J Gastroenterol 20(2):593-597. Published online Jan 14, 2014. doi: 10.3748/wjg.v20.i2.593
Santosh Shrestha, Akiko Kisino, Makoto Watanabe, Hiroshi Itsukaichi, Kazumitsu Hamasuna, Giichiro Ohno, Atsushi Tsugu 
World J Gastroenterol 20(2):598-602. Published online Jan 14, 2014. doi: 10.3748/wjg.v20.i2.598
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