. 2021 Aug 4;11:632168. doi: 10.3389/fonc.2021.632168
Copyright © 2021 Cheng, Hu, Zhao, Jiang, Qi, Chen, Li, Zheng, Liu, Guo, Zhang, Qin and Hua
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Figure 2.
Risk of bias summary and diagram. (A) Risk of bias summary. (B) Risk of bias diagram.