Clinicopathological and prognostic values of PD-L1 expression in oesophageal squamous cell carcinoma: a meta-analysis of 31 studies with 5368 patients

Zhen Liu; Li Sun; Lei Cai; Man Guo; Guanghui Xu; Shushang Liu; Gaozan Zheng; Qiao Wang; Xiao Lian; Fan Feng; Hongwei Zhang

doi:10.1136/postgradmedj-2021-140029

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Clinicopathological and prognostic values of PD-L1 expression in oesophageal squamous cell carcinoma: a meta-analysis of 31 studies with 5368 patients

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Cite this article as:: Liu Z, Sun L, Cai L, et al

Clinicopathological and prognostic values of PD-L1 expression in oesophageal squamous cell carcinoma: a meta-analysis of 31 studies with 5368 patients

Postgraduate Medical Journal 2022;98:948-957.

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