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Open-Access Journal
Editorial
Francesca Di Vece, Paola Tombesi, Sergio Sartori 
World J Gastroenterol 22(13):3511-3515. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3511
Review
Oscar Murcia, Miriam Juárez, Eva Hernández-Illán, Cecilia Egoavil, Mar Giner-Calabuig, María Rodríguez-Soler, Rodrigo Jover 
World J Gastroenterol 22(13):3516-3530. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3516
Hui-Lan Zhu, Xu Li, Zhen-Hua Zhang, Jun Li 
World J Gastroenterol 22(13):3531-3546. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3531
Minireviews
Jing-Hui Sun, Qing Luo, Ling-Ling Liu, Guan-Bin Song 
World J Gastroenterol 22(13):3547-3557. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3547
Basic Study
Hirohito Mori, Nobuya Kobayashi, Hideki Kobara, Noriko Nishiyama, Shintaro Fujihara, Taiga Chiyo, Maki Ayaki, Takashi Nagase, Tsutomu Masaki 
World J Gastroenterol 22(13):3558-3563. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3558
Zhao-Ying Fu, Xiao-Dong Han, Ai-Hong Wang, Xiao-Bin Liu 
World J Gastroenterol 22(13):3564-3572. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3564
Liang Rong, Ke Li, Rui Li, Hui-Min Liu, Rui Sun, Xiao-Yan Liu 
World J Gastroenterol 22(13):3573-3580. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3573
Case Control Study
Yamilka Abreu-Delgado, Raymond A Isidro, Esther A Torres, Alexandra González, Myrella L Cruz, Angel A Isidro, Carmen I González-Keelan, Priscilla Medero, Caroline B Appleyard 
World J Gastroenterol 22(13):3581-3591. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3581
Atilla Engin, Ipek Isik Gonul, Ayse Basak Engin, Ahmet Karamercan, Aylin Sepici Dincel, Ayse Dursun 
World J Gastroenterol 22(13):3592-3601. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3592
Retrospective Cohort Study
Francesco Feroci, Andrea Vannucchi, Paolo Pietro Bianchi, Stefano Cantafio, Alessia Garzi, Giampaolo Formisano, Marco Scatizzi 
World J Gastroenterol 22(13):3602-3610. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3602
Ji Yeon Kim, Yoon Suk Jung, Jung Ho Park, Hong Joo Kim, Yong Kyun Cho, Chong Il Sohn, Woo Kyu Jeon, Byung Ik Kim, Kyu Yong Choi, Dong Il Park 
World J Gastroenterol 22(13):3611-3620. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3611
Retrospective Study
Tilmann Graeter, Wolfgang Kratzer, Suemeyra Oeztuerk, Mark Martin Haenle, Richard Andrew Mason, Andreas Hillenbrand, Thomas Kull, Thomas F Barth, Peter Kern, Beate Gruener 
World J Gastroenterol 22(13):3621-3631. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3621
Hai-Hong Ye, Jia-Zhou Ye, Zhi-Bo Xie, Yu-Chong Peng, Jie Chen, Liang Ma, Tao Bai, Jun-Ze Chen, Zhan Lu, Hong-Gui Qin, Bang-De Xiang, Le-Qun Li 
World J Gastroenterol 22(13):3632-3643. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3632
Clinical Trials Study
Quirijn R J G Tummers, Leonora S F Boogerd, Wobbe O de Steur, Floris P R Verbeek, Martin C Boonstra, Henricus J M Handgraaf, John V Frangioni, Cornelis J H van de Velde, Henk H Hartgrink, Alexander L Vahrmeijer 
World J Gastroenterol 22(13):3644-3651. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3644
Observational Study
Jian-Feng Yang, Zhen-Hua Zhao, Yu Zhang, Li Zhao, Li-Ming Yang, Min-Ming Zhang, Bo-Yin Wang, Ting Wang, Bao-Chun Lu 
World J Gastroenterol 22(13):3652-3662. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3652
Zhen-Ya Lu, Zhou Shao, Ya-Li Li, Muhuyati Wulasihan, Xin-Hua Chen 
World J Gastroenterol 22(13):3663-3669. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3663
Prospective Study
Ying Zhou, Hai-Yan Li, Jing-Jing Zhang, Xiao-Yu Chen, Zhi-Zheng Ge, Xiao-Bo Li 
World J Gastroenterol 22(13):3670-3678. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3670
Meta-Analysis
Case Report
Seoung Ho Lee, Tae Hoon Lee, Si-Hyong Jang, Chi Young Choi, Won Myung Lee, Ji Hey Min, Hyun Deuk Cho, Sang-Heum Park 
World J Gastroenterol 22(13):3687-3692. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3687
Hui Jiang, Na Ta, Xiao-Yi Huang, Ming-Hua Zhang, Jing-Jing Xu, Kai-Lian Zheng, Gang Jin, Jian-Ming Zheng 
World J Gastroenterol 22(13):3693-3700. Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3693
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