%0 Journal Article %T PD-L1 expression in non-small cell lung cancer: heterogeneity by pathologic types, tissue sampling and metastasis %A Shen, Xuxia %A Wang, Yue %A Jin, Yan %A Zheng, Qiang %A Shen, Lei %A Chen, Ying %A Li, Yuan %J Journal of Thoracic Disease %D 2021 %B 2021 %9 %! PD-L1 expression in non-small cell lung cancer: heterogeneity by pathologic types, tissue sampling and metastasis %K %X %U https://jtd.amegroups.org/article/view/53968 %V 13 %N 7 %P 4360-4370 %@ 2077-6624