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
Yuan Gao(Sun Yat-sen University), Ming‐Huang Hong(Sun Yat-sen University)
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