Figure 1 — The efficacy and safety of PD-1/PD-L1 immune checkpoint inhibitors in treating advanced urothelial cancer: a meta-analysis of clinical trials | Aging

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Research Paper|Volume 13, Issue 16|pp. 20468–20480

The efficacy and safety of PD-1/PD-L1 immune checkpoint inhibitors in treating advanced urothelial cancer: a meta-analysis of clinical trials

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Figure 1.Flow chart of the study selection procedure.