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Open-Access Journal
Minireviews
Hui Wang, Kai Kang, Yang Gao, Bo Yang, Jing Li, Lei Wang, Ying Bi, Kai-Jiang Yu, Qing-Qing Dai, Ming-Yan Zhao 
World J Clin Cases 9(5):999-1004. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.999
Case Control Study
Hong-Bo Huang, Jun-Ling Huang, Xiao-Ting Xu, Kun-Bo Huang, Yi-Jian Lin, Jie-Bin Lin, Xi-Bin Zhuang 
World J Clin Cases 9(5):1016-1025. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1016
Retrospective Study
Che Hseuh Yang, Yi Sheng Lin, Yen Chuan Ou, Wei Chun Weng, Li Hua Huang, Chin Heng Lu, Chao Yu Hsu, Min Che Tung 
World J Clin Cases 9(5):1026-1036. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1026
Observational Study
Systematic Reviews
Case Report
Yan Ma, Xue Cao, Li Zhang, Jin-Yu Zhang, Zu-Sha Qiao, Wen-Li Feng 
World J Clin Cases 9(5):1079-1086. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1079
Ya-Ni Hu, Bo-Ting Zhou, Hua-Rong Yang, Qi-Lin Peng, Xu-Rui Gu, Shu-Sen Sun 
World J Clin Cases 9(5):1087-1095. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1087
Hiroki Teragawa, Chikage Oshita, Yuichi Orita, Kunihiro Hashimoto, Hirofumi Nakayama, Yuto Yamazaki, Hironobu Sasano 
World J Clin Cases 9(5):1119-1126. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1119
Zhen-Yu Liao, Jer-Young Liou, Shen-Chang Lin, Huei-Fong Hung, Che-Ming Chang, Lung-Ching Chen, Su-Kiat Chua, Huey-Ming Lo, Chi-Feng Hung 
World J Clin Cases 9(5):1148-1155. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1148
Jae Hyun Yoon, Chung Hwan Jun, Jae Pil Han, Ji-Woong Yeom, Seung-Ku Kang, Hyun Yi Kook, Sung Kyu Choi 
World J Clin Cases 9(5):1228-1236. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1228
Ji Won Jung, Yu Chan Park, Jae Young Lee, Jae Hyeon Park, Seong Ho Jang 
World J Clin Cases 9(5):1237-1246. Published online Feb 16, 2021. doi: 10.12998/wjcc.v9.i5.1237