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Prognostic value of programmed death-1, programmed death-ligand 1, programmed death-ligand 2 expression, and CD8(+) T cell density in primary tumors and metastatic lymph nodes from patients with stage T1-4N+M0 gastric adenocarcinoma

Crossref DOI link: https://doi.org/10.1186/s40880-017-0226-3

Published Online: 2017-07-29

Published Print: 2017-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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