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Open-Access Journal
Opinion Review
Minireviews
Renato Medas, Rodrigo Liberal, Guilherme Macedo 
World J Clin Cases 9(24):6979-6986. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.6979
Case Control Study
Retrospective Cohort Study
Jong Beom Kim, Young Il Kim, Yong Sik Yoon, Jihun Kim, Seo Young Park, Jong Lyul Lee, Chan Wook Kim, In Ja Park, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim 
World J Clin Cases 9(24):6999-7008. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.6999
Retrospective Study
Ji-Jie Li, Hui-Qiong Zhang, Pei-Jun Li, Zhi-Lan Xin, Ai-Qi Xi, Zhuo-Ma, Yue-He Ding, Zheng-Ping Yang, Si-Qing Ma 
World J Clin Cases 9(24):7032-7042. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7032
Systematic Reviews
Meta-Analysis
Case Report
Hong-Bin Chen, Xiao-Hong Xu, Cai-Gui Yu, Meng-Ting Wan, Chuang-Li Feng, Zhi-Yu Zhao, Dan-E Mei, Jin-Ling Chen 
World J Clin Cases 9(24):7085-7091. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7085
You-Ran Lu, Qing Yuan, Jian Liu, Xue Han, Min Liu, Qing-Quan Liu, Yu-Guang Wang 
World J Clin Cases 9(24):7123-7132. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7123
Yan Jiang, Shuang Tang, Fang He, Jue-Xin Yuan, Zhu Zhang 
World J Clin Cases 9(24):7139-7145. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7139
Wen-Hao Wang, Ting-Ting Shen, Zhi-Xing Gao, Xin Zhang, Zhao-Hui Zhai, Yu-Li Li 
World J Clin Cases 9(24):7181-7188. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7181
Koichi Kimura, Eisuke Adachi, Ayako Toyohara, Sachie Omori, Kaoru Ezaki, Ryo Ihara, Takahiro Higashi, Kippei Ohgaki, Shuhei Ito, Shin-ichiro Maehara, Toshihiko Nakamura, Yoshihiko Maehara 
World J Clin Cases 9(24):7224-7230. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7224
Xue-Feng Cao, Li-Peng Yang, Song-Song Fan, Qiang Wei, Xu-Tao Lin, Xing-Yuan Zhang, Ling-Qun Kong 
World J Clin Cases 9(24):7231-7236. Published online Aug 26, 2021. doi: 10.12998/wjcc.v9.i24.7231
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