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Open-Access Journal
Review
Xia Li, Wei-Yi Xia, Fang Jiang, Dan-Yong Liu, Shao-Qing Lei, Zheng-Yuan Xia, Qing-Ping Wu 
World J Clin Cases 9(7):1499-1512. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1499
Minireviews
Xiang-Ning Zhang, Long-Ji Wu, Xia Kong, Bi-Ying Zheng, Zhe Zhang, Zhi-Wei He 
World J Clin Cases 9(7):1513-1523. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1513
Case Control Study
Shu-Quan Gao, Ying-Chun Zhang, Chao Zhang, Sheng-Jie Wang, Wei Ren, Na Yuan, Jun-Ye Wen 
World J Clin Cases 9(7):1524-1531. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1524
Retrospective Study
Xin Yao, Hao Zhou, Shan Huang, Shan-Hong Tang, Jian-Ping Qin 
World J Clin Cases 9(7):1532-1542. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1532
Bin Xu, Hai-Yan Jin, Ke Wu, Cao Chen, Li Li, Yang Zhang, Wei-Zhong Gu, Chao Chen 
World J Clin Cases 9(7):1543-1553. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1543
Hao Lin, Ling-Jie Wu, Shun-Qi Guo, Rui-Lie Chen, Jing-Ru Fan, Bin Ke, Ze-Qun Pan 
World J Clin Cases 9(7):1554-1562. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1554
Observational Study
Meng-Ru Zhan, Xiu-Zhu Gao, Chang Wang, Fei Peng, Xiao-Mei Wang, Hong-Qin Xu, Jun-Qi Niu 
World J Clin Cases 9(7):1619-1630. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1619
Case Report
Hong-Yu Chen, Shou-Bin Ning, Xin Yin, Bai-Rong Li, Jing Zhang, Xiao-Wei Jin, Tao Sun, Zhi-Bo Xia, Xiao-Peng Zhang 
World J Clin Cases 9(7):1631-1638. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1631
Xin-Wen Wang, Wen-Zhi Zhang 
World J Clin Cases 9(7):1639-1645. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1639
Seokho Yoon, Kyeong Hwa Ryu, Hye Jin Baek, Hyo Jung An, Yeon-Hee Joo 
World J Clin Cases 9(7):1654-1660. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1654
Tian-Hao Xie, Xiang-Xiang Ren, Yan Fu, Si-Ning Ha, Li-Tao Liu, Xiao-Shi Jin 
World J Clin Cases 9(7):1661-1667. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1661
Wei Wei, Qi-Guang Li, Xian Long, Gao-Hua Hu, Hua-Jie He, Yuan-Bi Huang, Xian-Lin Yi 
World J Clin Cases 9(7):1668-1675. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1668
Mohammad Abudalou, Eduardo A Vega, Rohit Dhingra, Erik Holzwanger, Sandeep Krishnan, Svetlana Kondratiev, Ali Niakosari, Claudius Conrad, Christopher G Stallwood 
World J Clin Cases 9(7):1682-1695. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1682
Zi-Jia Song, Yi-Qing Shi, Yi-Mei Jiang, Kun Liu, You Li, Chang-Gang Wang, Ren Zhao 
World J Clin Cases 9(7):1714-1719. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1714
Xiao-Hui Xiang, Jia-Jia Fang, Mi Yang, Guo-Hua Zhao 
World J Clin Cases 9(7):1720-1727. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1720
Alexandru Chirca, Lucian Negreanu, Andreea Iliesiu, Radu Costea 
World J Clin Cases 9(7):1728-1733. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1728
Hyun Jun Chae, Jung Woo Kim, Yae Lim Lee, Jeong Hwan Park, Sang Yoon Lee 
World J Clin Cases 9(7):1741-1747. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1741
Hong-Mei Yang, Jian-Xing Guo, Yi-Min Yang 
World J Clin Cases 9(7):1748-1754. Published online Mar 6, 2021. doi: 10.12998/wjcc.v9.i7.1748
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