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Open-Access Journal
Minireviews
Xiaoqiang Qi, Ming Yang, Joseph Stenberg, Rahul Dey, Leslie Fogwe, Muhammad Shawkat Alam, Eric T Kimchi, Kevin F Staveley-O'Carroll, Guangfu Li 
World J Gastroenterol 26(48):7603-7618. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7603
Basic Study
Yun Huang, Meng-Meng Wang, Zhi-Zhou Yang, Yi Ren, Wei Zhang, Zhao-Rui Sun, Shi-Nan Nie 
World J Gastroenterol 26(48):7619-7632. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7619
Case Control Study
Yang Li, Zhong-Xin Li, Chen-Yang Xie, Jing Fan, Ji Lv, Xin-Jian Xu, Jian Lv, Wen-Tao Kuai, Yi-Tao Jia 
World J Gastroenterol 26(48):7633-7651. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7633
Retrospective Cohort Study
Heather A Smith, Andrew D Scarffe, Nicole Brunet, Cait Champion, Kami Kandola, Alisha Tessier, Robin Boushey, Craig Kuziemsky 
World J Gastroenterol 26(48):7652-7663. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7652
Retrospective Study
Li-Xing Chen, Si-Juan Zou, Dan Li, Jian-Yuan Zhou, Zhao-Ting Cheng, Jun Zhao, Yuan-Li Zhu, Dong Kuang, Xiao-Hua Zhu 
World J Gastroenterol 26(48):7664-7678. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7664
Observational Study
Ai-Lin Wei, Mao Li, Guo-Qing Li, Xuan Wang, Wei-Ming Hu, Zhen-Lu Li, Jue Yuan, Hong-Ying Liu, Li-Li Zhou, Ka Li, Ang Li, Mei Rosemary Fu 
World J Gastroenterol 26(48):7679-7692. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7679
Systematic Reviews
Luis Antonio Díaz, Francisco Idalsoaga, Macarena Cannistra, Roberto Candia, Daniel Cabrera, Francisco Barrera, Alejandro Soza, Rondell Graham, Arnoldo Riquelme, Marco Arrese, Michael D Leise, Juan Pablo Arab 
World J Gastroenterol 26(48):7693-7706. Published online Dec 28, 2020. doi: 10.3748/wjg.v26.i48.7693
Case Report
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