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Topic Highlight
Michele Orditura, Gennaro Galizia, Vincenzo Sforza, Valentina Gambardella, Alessio Fabozzi, Maria Maddalena Laterza, Francesca Andreozzi, Jole Ventriglia, Beatrice Savastano, Andrea Mabilia, Eva Lieto, Fortunato Ciardiello, Ferdinando De Vita 
World J Gastroenterol 20(7):1635-1649. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1635
Kenichiro Yasutake, Motoyuki Kohjima, Kazuhiro Kotoh, Manabu Nakashima, Makoto Nakamuta, Munechika Enjoji 
World J Gastroenterol 20(7):1756-1767. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1756
Minireviews
Original Article
Salamah Mohammad Alwahsh, Min Xu, Hatice Ali Seyhan, Shakil Ahmad, Sabine Mihm, Giuliano Ramadori, Frank Christian Schultze 
World J Gastroenterol 20(7):1807-1821. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1807
Hui Qian, Jian Shi, Ting-Ting Fan, Jiao Lv, Si-Wen Chen, Chun-Yan Song, Zhi-Wu Zheng, Wei-Fen Xie, Yue-Xiang Chen 
World J Gastroenterol 20(7):1822-1832. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1822
Brief Article
Peter P Stanich, Robert Pilarski, Jonathan Rock, Wendy L Frankel, Samer El-Dika, Marty M Meyer 
World J Gastroenterol 20(7):1833-1838. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1833
Sho Suzuki, Akiko Chino, Teruhito Kishihara, Naoyuki Uragami, Yoshiro Tamegai, Takanori Suganuma, Junko Fujisaki, Masaaki Matsuura, Takao Itoi, Takuji Gotoda, Masahiro Igarashi, Fuminori Moriyasu 
World J Gastroenterol 20(7):1839-1845. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1839
Sung Hoon Jung, Jung Hwan Oh, Hye Yeon Lee, Joon Won Jeong, Se Eun Go, Chan Ran You, Eun Jung Jeon, Sang Wook Choi 
World J Gastroenterol 20(7):1846-1851. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1846
Meta-Analysis
Case Report
Jae Choon Kwon, Bo Yean Kim, Ah Lim Kim, Tae Hoon Kim, Myung Il Park, Ho Jin Jung, Jang Hwan Lim, Jae Kwon Jung, Hyun Soo Kim, Dong Wook Lee 
World J Gastroenterol 20(7):1882-1886. Published online Feb 21, 2014. doi: 10.3748/wjg.v20.i7.1882