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Open-Access Journal
Review
Aya El Khodiry, Menna Afify, Hend M El Tayebi 
World J Gastroenterol 24(5):549-572. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.549
Basic Study
Dou Dou, Yan-Fen Shi, Qing Liu, Jie Luo, Ji-Xi Liu, Meng Liu, Ying-Ying Liu, Yuan-Liang Li, Xu-Dong Qiu, Huang-Ying Tan 
World J Gastroenterol 24(5):573-582. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.573
Yan-Yan Xu, An-Qi He, Gang Liu, Kai-Yu Li, Jian Liu, Tong Liu 
World J Gastroenterol 24(5):583-592. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.583
Han Li, Jin-Shen Wang, Lin-Jun Mu, Ke-Shu Shan, Le-Ping Li, Yan-Bing Zhou 
World J Gastroenterol 24(5):593-601. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.593
Case Control Study
Retrospective Cohort Study
Patrícia dos Santos Marcon, Cristiane Valle Tovo, Dimas Alexandre Kliemann, Patrícia Fisch, Angelo Alves de Mattos 
World J Gastroenterol 24(5):613-622. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.613
Retrospective Study
Grace Gathungu, Yuanhao Zhang, Xinyu Tian, Erin Bonkowski, Leahana Rowehl, Julia Krumsiek, Billy Nix, Claudia Chalk, Bruce Trapnell, Wei Zhu, Rodney Newberry, Lee Denson, Ellen Li 
World J Gastroenterol 24(5):623-630. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.623
A-Jian Li, Hua-Guang Li, Er-Jiang Tang, Wei Wu, Ying Chen, Hui-Hong Jiang, Mou-Bin Lin, Lu Yin 
World J Gastroenterol 24(5):631-640. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.631
Observational Study
Pierre Baillet, Guillaume Cadiot, Marion Goutte, Felix Goutorbe, Hedia Brixi, Christine Hoeffel, Christophe Allimant, Maud Reymond, Hélène Obritin-Guilhen, Benoit Magnin, Gilles Bommelaer, Bruno Pereira, Constance Hordonneau, Anthony Buisson 
World J Gastroenterol 24(5):641-650. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.641
Case Report
Hongsik Kim, Kyung Sik Yi, Won-Dong Kim, Seung-Myoung Son, Yaewon Yang, Jihyun Kwon, Hye Sook Han 
World J Gastroenterol 24(5):651-656. Published online Feb 7, 2018. doi: 10.3748/wjg.v24.i5.651
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