%0 Journal Article %A %T Blockade of PD-1/PD-L1 Axis May Improve NK-92 Cell Inhibition Caused by Mesenchymal Stem Cells %D 2021 %F %P 334-340 %V 5 %N 3 %R doi:10.14744/ejmi.2021.49785 %U https://dx.doi.org/10.14744/ejmi.2021.49785