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Open-Access Journal
Frontier
Roman Maslennikov, Vladimir Ivashkin, Irina Efremova, Elena Poluektova, Elena Shirokova 
World J Clin Cases 9(31):9320-9332. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9320
Review
Rabie Karrouri, Zakaria Hammani, Roukaya Benjelloun, Yassine Otheman 
World J Clin Cases 9(31):9350-9367. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9350
Minireviews
Ming-Zhe Zhao, Xu-Sheng Song, Jing-Song Ma 
World J Clin Cases 9(31):9368-9375. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9368
Yu-Wen Cai, Fang-Fen Dong, Yu-Heng Shi, Li-Yuan Lu, Chen Chen, Ping Lin, Yu-Shan Xue, Jian-Hua Chen, Su-Yu Chen, Xiong-Biao Luo 
World J Clin Cases 9(31):9376-9385. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9376
Case Control Study
Xiao-Hui Yuan, Juan Peng, Shu-Wei Hu, Yong Yang, Yu-Ju Bai 
World J Clin Cases 9(31):9386-9394. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9386
Retrospective Cohort Study
Bogdan Cucuteanu, Dragoş Negru, Otilia Gavrilescu, Iolanda Valentina Popa, Mariana Floria, Cătălina Mihai, Cristina Cijevschi Prelipcean, Mihaela Dranga 
World J Clin Cases 9(31):9395-9405. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9395
Retrospective Study
Xian-Feng Yu, Wen-Wen Yin, Chao-Juan Huang, Xin Yuan, Yu Xia, Wei Zhang, Xia Zhou, Zhong-Wu Sun 
World J Clin Cases 9(31):9440-9451. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9440
Yan-Wen Liang, You-Feng Zhu, Rui Zhang, Min Zhang, Xiao-Ling Ye, Jian-Rui Wei 
World J Clin Cases 9(31):9452-9468. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9452
Benjamin M Shandro, Joshua Chen, Jennifer Ritehnia, Andrew Poullis 
World J Clin Cases 9(31):9469-9480. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9469
Observational Study
Cláudia N Montemor, Marcos Tadeu P Fernandes, Audrey S Marquez, Regina Célia Poli-Frederico, Rubens Alexandre da Silva, Karen B P Fernandes 
World J Clin Cases 9(31):9491-9499. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9491
Taif Shah, Zahir Shah, Nafeesa Yasmeen, Zhong-Ren Ma 
World J Clin Cases 9(31):9500-9508. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9500
Kuei-Lin Yeh, Szu-Hsien Wu, Chen-Kun Liaw, Sheng-Mou Hou, Shing-Sheng Wu 
World J Clin Cases 9(31):9509-9519. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9509
Meta-Analysis
Jia-Yao Xiong, Jun-Mei Wang, Xiao-Lan Zhao, Chao Yang, Xian-Shu Jiang, Yan-Mei Chen, Chang-Qin Chen, Zhi-Yong Li 
World J Clin Cases 9(31):9520-9534. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9520
Case Report
Yao Liu, Hui Xing, Yue-Ping Liu 
World J Clin Cases 9(31):9542-9548. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9542
Duan-Yang Zhai, Tian-Tian Zhen, Xiao-Ling Zhang, Jia Luo, Hui-Juan Shi, Ya-Wei Shi, Nan Shao 
World J Clin Cases 9(31):9549-9556. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9549
Wen-Jing Sun, Qiang Ma, Ren-Zheng Liang, Ya-Mei Ran, Li Zhang, Juan Xiao, Yong-Mei Peng, Bin Zhan 
World J Clin Cases 9(31):9557-9563. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9557
Jian-Yun Kang, Kai Zhang, Ai-Lian Liu, Hua-Li Wang, Li-Na Zhang, Weiyin Vivian Liu 
World J Clin Cases 9(31):9564-9570. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9564
Kasey Moss, Tahrin Mahmood, Robert Spaziani 
World J Clin Cases 9(31):9571-9576. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9571
Hong-Ming Liu, Guang-Heng Luo, Xiao-Fei Yang, Zhu-Gang Chu, Tian Ye, Zhi-Yong Su, Li Kai, Xiu-Shu Yang, Zhen Wang 
World J Clin Cases 9(31):9584-9591. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9584
Takuya Kameda, Takeru Yokota, Soichi Ejiri, Shin-ichi Konno 
World J Clin Cases 9(31):9592-9597. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9592
Ying-Ying Ma, Quan-Chao Zhang, Xu Tan, Xi Zhang, Cheng Zhang 
World J Clin Cases 9(31):9607-9616. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9607
Quan Zheng, Gang Zhang, Xiao-Huan Yu, Zhen-Feng Zhao, Lu Lu, Jing Han, Jin-Zhuo Zhang, Jin-Ku Zhang, Ying Xiong 
World J Clin Cases 9(31):9617-9622. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9617
Cheng Zhou, Ze-Jun Yan, Yue Cheng, Jun-Hui Jiang 
World J Clin Cases 9(31):9623-9628. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9623
Xiang Wu, Jun Luo, Fei Wu, Neng Li, Ai-Qiong Tang, Ang Li, Xiao-Ling Tang, Min Chen 
World J Clin Cases 9(31):9629-9634. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9629
Da Woon Lee, Heongrae Ryu, Si-Hyong Jang, Jun Hyuk Kim 
World J Clin Cases 9(31):9635-9644. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9635
Lu-Yan Gu, Jun Tian, Ya-Ping Yan 
World J Clin Cases 9(31):9645-9651. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9645
Wei Li, Yan-Fen Tang, Xue-Feng Yang, Xiang-Yu Huang 
World J Clin Cases 9(31):9662-9669. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9662
Long Cong Nguyen, Khanh Truong Vu, Trang Thi Thuy Vo, Chau Ha Trinh, Tan Dang Do, Ngoc Thi Van Pham, Tuyen Van Pham, Thanh Tuan Nguyen, Hiep Canh Nguyen, Jeong-Sik Byeon 
World J Clin Cases 9(31):9670-9679. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9670
Ji Hyun Kim, Chang Don Kang, Kyungyul Lee, Kyu-Hyoung Lim 
World J Clin Cases 9(31):9680-9685. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9680
Koh-Woon Kim, Jae-Heung Cho 
World J Clin Cases 9(31):9686-9690. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9686
Hyungsuk Kim, Taeoh Kim, Whisung Cho, Hokyung Chang, Won-Seok Chung 
World J Clin Cases 9(31):9691-9698. Published online Nov 6, 2021. doi: 10.12998/wjcc.v9.i31.9691
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