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Open-Access Journal
Review
Kimberly Cheng, Adam S Faye 
World J Gastroenterol 26(12):1231-1241. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1231
Zhen Zeng, Arjudeb Mukherjee, Adwin Pidiyath Varghese, Xiao-Li Yang, Sha Chen, Hu Zhang 
World J Gastroenterol 26(12):1242-1261. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1242
Minireviews
Isabelle Traini, Jessica Menzies, Jennifer Hughes, Steven Thomas Leach, Usha Krishnan 
World J Gastroenterol 26(12):1262-1272. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1262
Tomislav Kelava, Petra Turcic, Antonio Markotic, Ana Ostojic, Dino Sisl, Anna Mrzljak 
World J Gastroenterol 26(12):1273-1285. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1273
Basic Study
Zhi-Dan Wang, Yu Zhang, Yi-Dan Dai, Ke Ren, Chen Han, Heng-Xiao Wang, Shuang-Qin Yi 
World J Gastroenterol 26(12):1286-1297. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1286
Lei Li, Yong-Qi Li, Zhong-Wei Sun, Cai-Ming Xu, Jun Wu, Ge-Liang Liu, Ahmed MH Bakheet, Hai-Long Chen 
World J Gastroenterol 26(12):1317-1328. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1317
Case Control Study
Wan-Na Yang, Li-Li Pang, Ji-Yuan Zhou, Yuan-Wang Qiu, Liang Miao, Shou-Yun Wang, Xiang-Zhong Liu, Kang-An Tan, Wan-Wan Shi, Gui-Qiang Wang, Feng-Qin Hou 
World J Gastroenterol 26(12):1329-1339. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1329
Retrospective Cohort Study
Wen-Shu Chen, Li-Huan Zhu, Wu-Jin Li, Peng-Jie Tu, Jian-Yuan Huang, Pei-Lin You, Xiao-Jie Pan 
World J Gastroenterol 26(12):1340-1351. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1340
Retrospective Study
Zhi-Ying Pan, Yi-Chen Fan, Xiao-Qiang Wang, Ling-Ke Chen, Qiao-Qun Zou, Tao Zhou, Bi-Jun Qiu, Ye-Feng Lu, Cong-Huan Shen, Wei-Feng Yu, Yi Luo, Dian-San Su 
World J Gastroenterol 26(12):1352-1364. Published online Mar 28, 2020. doi: 10.3748/wjg.v26.i12.1352
Systematic Review
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