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Variable density of CD8+ and CD25+ programmed cell death-1 (PD-1) ligand (PD-L1) CD4+ T cells within the tumor microenvironment causes differential responses to the PD-1/PD-L1 blockade

Crossref DOI link: https://doi.org/10.1186/2051-1426-3-S2-P423

Published Online: 2015-11-04

Published Print: 2015-12

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