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Review
Clinicopathological and prognostic values of PD-L1 expression in oesophageal squamous cell carcinoma: a meta-analysis of 31 studies with 5368 patients
- Correspondence to Professor Fan Feng, The Air Force Medical University, Xi’an, China; surgeonfengfan{at}163.com; Professor Hongwei Zhang, Digestive Diseases Center, Wuxi Mingci Hospital, Wuxi, Jiangsu, People's Republic of China; zhanghwfmmu{at}126.com
Citation
Clinicopathological and prognostic values of PD-L1 expression in oesophageal squamous cell carcinoma: a meta-analysis of 31 studies with 5368 patients
Publication history
- Received February 26, 2021
- Revised April 22, 2021
- Accepted April 29, 2021
- First published July 12, 2021.
Online issue publication
November 22, 2022
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- Previous version (9 September 2021).
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© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.