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Open-Access Journal
Review
Ming-Ke Wang, Hai-Yan Yue, Jin Cai, Yu-Jia Zhai, Jian-Hui Peng, Ju-Fen Hui, Deng-Yong Hou, Wei-Peng Li, Ji-Shun Yang 
World J Clin Cases 9(16):3796-3813. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3796
Minireviews
Liliana Baroiu, Caterina Dumitru, Alina Iancu, Ana-Cristina Leșe, Miruna Drăgănescu, Nicușor Baroiu, Lucreția Anghel 
World J Clin Cases 9(16):3814-3825. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3814
Lin-Li Jiang, Hui Li, Lei Liu 
World J Clin Cases 9(16):3826-3837. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3826
Case Control Study
Yang-Kun Wang, Lan Shen, Tian Yun, Bin-Feng Yang, Chao-Ya Zhu, Su-Nan Wang 
World J Clin Cases 9(16):3838-3847. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3838
Retrospective Study
Xiao-Wen Wu, Xu-Ya Zhao, Xing Li, Jun-Xiang Li, Zong-Yang Liu, Zhi Huang, Ling Zhang, Chong-Yang Sima, Yu Huang, Lei Chen, Shi Zhou 
World J Clin Cases 9(16):3848-3857. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3848
Li Zeng, Wen-Jian Meng, Zhong-Hui Wen, Yi-Long Chen, Yu-Fang Wang, Cheng-Wei Tang 
World J Clin Cases 9(16):3858-3868. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3858
Li Zou, Xin Rong, Xi-Jiao Liu, Hao Liu 
World J Clin Cases 9(16):3869-3879. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3869
Observational Study
Randomized Clinical Trial
Ying-Hao Song, Li-Dong Xu, Meng-Xuan Xing, Kun-Kun Li, Xing-Guo Xiao, Yong Zhang, Lu Li, Yan-Jing Xiao, Yu-Lei Qu, Hui-Li Wu 
World J Clin Cases 9(16):3895-3907. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3895
Case Report
Chia Jung Hu, Po-Chin Chow, I-Shiang Tzeng 
World J Clin Cases 9(16):3908-3913. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3908
Taesoo Choi, Jeonghyouk Choi, Gyeong Eun Min, Dong-Gi Lee 
World J Clin Cases 9(16):3914-3918. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3914
Shao-Kui Nan, Hai-Feng Li, Dong Zhang, Jian-Ning Lin, Li-Sheng Hou 
World J Clin Cases 9(16):3919-3926. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3919
Gui-Cheng Zhao, Chang-Xing Ke 
World J Clin Cases 9(16):3927-3935. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3927
Ting-Ting Wang, Jia-Jun He, Ping-Hong Zhou, Wei-Wei Chen, Chao-Wu Chen, Jun Liu 
World J Clin Cases 9(16):3936-3942. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3936
Rui-Fang Xu, En-Hui He, Zhan-Xiong Yi, Li Li, Jun Lin, Lin-Xue Qian 
World J Clin Cases 9(16):3943-3950. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3943
Xiao-Ju Wang, Peng Xia, Ting Yang, Kai Cheng, An-Liang Chen, Xue-Ping Li 
World J Clin Cases 9(16):3951-3959. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3951
Xin Li, Liu Hong, Xiao-Yan Huo 
World J Clin Cases 9(16):3960-3965. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3960
Yu-Jen Chen, Chien-Sung Tsai, Tsai-Wang Huang 
World J Clin Cases 9(16):3966-3970. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3966
Sven Flemming, Johan F Lock, Mohammed Hankir, Stanislaus Reimer, Bernhard Petritsch, Christoph-Thomas Germer, Florian Seyfried 
World J Clin Cases 9(16):3971-3978. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3971
Wen-Zhao Li, Jun-Jie Wang, Jiang-Dong Ni, De-Ye Song, Mu-Liang Ding, Jun Huang, Guang-Xu He 
World J Clin Cases 9(16):3979-3987. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3979
Ya-Li Wei, Cong-Cong Min, Lin-Lin Ren, Shan Xu, Yun-Qing Chen, Qi Zhang, Wen-Jun Zhao, Cui-Ping Zhang, Xiao-Yan Yin 
World J Clin Cases 9(16):3988-3995. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3988
Zhen Ye, Xian-Feng Dong, Yuan-Ming Yan, Yu-Kun Luo 
World J Clin Cases 9(16):3996-4000. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.3996
Yong-Yong Wu, Zhong-Liang He, Zi-Ying Lu 
World J Clin Cases 9(16):4001-4006. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4001
Lu-Jue Gao, Zi-Hui Huang, Quan-Yong Jin, Guo-Ying Zhang, Min-Xing Gao, Jia-Yan Qian, Si-Xun Zhu, Yang Yu 
World J Clin Cases 9(16):4007-4015. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4007
Jin-Hong Jiang, Chun-Lai Zhang, Qin-Li Wu, Yong-Hua Liu, Xiao-Qiu Wang, Xiao-Li Wang, Bing-Mu Fang 
World J Clin Cases 9(16):4016-4023. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4016
Jia-Xi Tang, Ling Wang, Wei-Qi Nian, Wan-Yan Tang, Jing-Yu Xiao, Xi-Xi Tang, Hong-Liang Liu 
World J Clin Cases 9(16):4024-4031. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4024
Anca Cristina Drăgănescu, Oana Săndulescu, Anuța Bilașco, Camelia Kouris, Anca Streinu-Cercel, Monica Luminos, Adrian Streinu-Cercel 
World J Clin Cases 9(16):4032-4039. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4032
Alexandru Scafa-Udriste, Nicoleta-Monica Popa-Fotea, Vlad Bataila, Lucian Calmac, Maria Dorobantu 
World J Clin Cases 9(16):4040-4045. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4040
Mei-Hua Zhang, Qi Feng, Han-Lin Zhu, Heng Lu, Zhong-Xiang Ding, Bo Feng 
World J Clin Cases 9(16):4046-4051. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4046
Feng-He Min, Jia Li, Bo-Qiang Tao, Hui-Min Liu, Zhi-Jing Yang, Lu Chang, Yu-Yang Li, Ying-Kun Liu, Yi-Wen Qin, Wei-Wei Liu 
World J Clin Cases 9(16):4052-4062. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4052
Tomas Koller, Petra Vrbova, Iveta Meciarova, Pavol Molcan, Michal Smitka, Svetlana Adamcova Selcanova, Lubomir Skladany 
World J Clin Cases 9(16):4062-4071. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4062
Choonghyo Kim, Seungkoo Lee, Jiha Kim 
World J Clin Cases 9(16):4072-4080. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4072
Qiong Na Zheng, Mei Yan Xu, Fang Min Gan, Sha Sha Ye, Hui Zhao 
World J Clin Cases 9(16):4090-4094. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4090
Hao-Yu Wu, Yi-Wei Cao, Tian-Jiao Gao, Jian-Li Fu, Lei Liang 
World J Clin Cases 9(16):4095-4103. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4095
Byeoung Hoon Chung, Mi Rin Lee, Jae Do Yang, Hee Chul Yu, Yong Tae Hong, Hong Pil Hwang 
World J Clin Cases 9(16):4104-4109. Published online Jun 6, 2021. doi: 10.12998/wjcc.v9.i16.4104
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