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Editorial
Topic Highlight
Ko Eun Lee, Pham Ngoc Khoi, Yong Xia, Jung Sun Park, Young Eun Joo, Kyung Keun Kim, Seok Yong Choi, Young Do Jung 
World J Gastroenterol 19(45):8192-8202. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8192
Review
Minireviews
Original Article
Rachele Ciccocioppo, Alessandro Vanoli, Catherine Klersy, Venerina Imbesi, Vincenzo Boccaccio, Rachele Manca, Elena Betti, Giuseppina Cristina Cangemi, Elena Strada, Roberta Besio, Antonio Rossi, Colomba Falcone, Sandro Ardizzone, Paolo Fociani, Piergiorgio Danelli, Gino Roberto Corazza 
World J Gastroenterol 19(45):8269-8281. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8269
Brief Article
Nicolás González, Adolfo Parra-Blanco, Miguel Villa-Gómez, Alejandra Gamba, Andrés Taullard, Anaulina Silveira, Alberto Sanguinetti, Carolina Olano, Henry Cohen 
World J Gastroenterol 19(45):8326-8334. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8326
Shigeo Koido, Toshifumi Ohkusa, Kazuki Takakura, Shunichi Odahara, Shintaro Tsukinaga, Toyokazu Yukawa, Jimi Mitobe, Mikio Kajihara, Kan Uchiyama, Hiroshi Arakawa, Hisao Tajiri 
World J Gastroenterol 19(45):8335-8341. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8335
Manari Oikawa-Kawamoto, Tsuyoshi Sogo, Takeshi Yamaguchi, Tomoyuki Tsunoda, Takeo Kondo, Haruki Komatsu, Ayano Inui, Tomoo Fujisawa 
World J Gastroenterol 19(45):8342-8348. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8342
Shao-Bin Chen, Hong-Rui Weng, Geng Wang, Jie-Sheng Yang, Wei-Ping Yang, Di-Tian Liu, Yu-Ping Chen, Hao Zhang 
World J Gastroenterol 19(45):8382-8390. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8382
Meta-Analysis
Ji-Xiang Zhang, Meng-Yao Ji, Jia Song, Hong-Bo Lei, Shi Qiu, Jing Wang, Ming-Hua Ai, Jun Wang, Xiao-Guang Lv, Zi-Rong Yang, Wei-Guo Dong 
World J Gastroenterol 19(45):8408-8419. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8408
Case Report
Tatsuaki Sumiyoshi, Yasuo Shima, Yoshihiro Noda, Shingo Hosoki, Yasuhiro Hata, Takehiro Okabayashi, Akihito Kozuki, Toshio Nakamura 
World J Gastroenterol 19(45):8435-8439. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8435
Min Seon Park, Beom Jae Lee, Dae Hoe Gu, Jeung-Hui Pyo, Kyeong Jin Kim, Yun Ho Lee, Moon Kyung Joo, Jong-Jae Park, Jae Seon Kim, Young-Tae Bak 
World J Gastroenterol 19(45):8440-8444. Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8440