Programmed cell death ligand 1 expression in esophageal squamous cell carcinoma: a comparative analysis of three different assays

Chin Med J (Engl). 2021 Aug 17;134(23):2890-2892. doi: 10.1097/CM9.0000000000001642.

¹ Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
² Department of Thoracic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China.
³ Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.

No abstract available

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