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Open-Access Journal
Review
Gholam Reza Sivandzadeh, Hassan Askari, Ali Reza Safarpour, Fardad Ejtehadi, Ehsan Raeis-Abdollahi, Armaghan Vaez Lari, Mohammad Foad Abazari, Firoozeh Tarkesh, Kamran Bagheri Lankarani 
World J Clin Cases 9(22):6178-6200. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6178
Minireviews
Case Control Study
Retrospective Study
Ya-Wen Peng, Jun-Min Shen, Yan-Chao Zhang, Jing-Yang Sun, Yin-Qiao Du, Yong-Gang Zhou 
World J Clin Cases 9(22):6300-6307. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6300
Clinical Trials Study
Observational Study
Xiang-Ming Hu, Cai-Di Lin, De-Yi Huang, Xiao-Ming Li, Fen Lu, Wen-Ting Wei, Zhi-Hong Yu, Huo-Sheng Liao, Fang Huang, Xue-Zhen Huang, Fu-Jun Jia 
World J Clin Cases 9(22):6319-6328. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6319
Meta-Analysis
Case Report
Makoto Saito, Masanobu Morioka, Koh Izumiyama, Akio Mori, Reiki Ogasawara, Takeshi Kondo, Toru Miyajima, Emi Yokoyama, Satoshi Tanikawa 
World J Clin Cases 9(22):6493-6500. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6493
Sheng-Yang Zhang, Bang-Jian He, Hui-Hui Xu, Miao-Miao Xiao, Jing-Jing Zhang, Pei-Jian Tong, Qiang Mao 
World J Clin Cases 9(22):6515-6521. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6515
Xian-Ming Huang, Ming Luo, Li-Yu Ran, Xuan-He You, Di-Wei Wu, Shi-Shu Huang, Quan Gong 
World J Clin Cases 9(22):6522-6530. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6522
Marianna Maranto, Valentina Cigna, Emanuela Orlandi, Gaspare Cucinella, Clelia Lo Verso, Vincenzo Duca, Francesco Picciotto 
World J Clin Cases 9(22):6531-6537. Published online Aug 6, 2021. doi: 10.12998/wjcc.v9.i22.6531