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Open-Access Journal
Editorial
Review
Jian-Yuan Li, Hong-Yan Cao, Lin Sun, Run-Fei Sun, Chao Wu, Yan-Qin Bian, Shu Dong, Ping Liu, Ming-Yu Sun 
World J Gastroenterol 23(7):1125-1138. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1125
Minireviews
Basic Study
Hsi-Hsien Hsu, Ming-Cheng Chen, Cecilia Hsuan Day, Yueh-Min Lin, Shin-Yi Li, Chuan-Chou Tu, Viswanadha Vijaya Padma, Hui-Nung Shih, Wei-Wen Kuo, Chih-Yang Huang 
World J Gastroenterol 23(7):1171-1179. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1171
Retrospective Cohort Study
Hirotaka Konishi, Daisuke Ichikawa, Hiroshi Itoh, Kenichiro Fukuda, Naoki Kakihara, Manabu Takemura, Kaori Okugawa, Kiyoshi Uchiyama, Masashi Nakata, Hiroshi Nishi, Toshiyuki Kosuga, Shuhei Komatsu, Kazuma Okamoto, Eigo Otsuji 
World J Gastroenterol 23(7):1215-1223. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1215
Retrospective Study
Ahad Eshraghian, Mohammad Hadi Imanieh, Seyed Mohsen Dehghani, Saman Nikeghbalian, Alireza Shamsaeefar, Frouzan Barshans, Kourosh Kazemi, Bita Geramizadeh, Seyed Ali Malek-Hosseini 
World J Gastroenterol 23(7):1224-1232. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1224
Observational Study
Raluca Niculina Ciurea, Ion Rogoveanu, Daniel Pirici, Georgică-Costinel Târtea, Costin Teodor Streba, Cristina Florescu, Bogdan Cătălin, Ileana Puiu, Elena-Anca Târtea, Cristin Constantin Vere 
World J Gastroenterol 23(7):1250-1261. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1250
Systematic Reviews
Harsha Moole, Harsha Tathireddy, Sirish Dharmapuri, Vishnu Moole, Raghuveer Boddireddy, Pratyusha Yedama, Sowmya Dharmapuri, Achuta Uppu, Naveen Bondalapati, Abhiram Duvvuri 
World J Gastroenterol 23(7):1278-1288. Published online Feb 21, 2017. doi: 10.3748/wjg.v23.i7.1278
Meta-Analysis
Case Report