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APA Citation
Lipson, E. J., Lilo, M. T., Ogurtsova, A., Esandrio, J., Xu, H., Brothers, P., Schollenberger, M., Sharfman, W. H., & Taube, J. M. (2017). basal cell carcinoma: PD-L1/PD-1 checkpoint expression and tumor regression after PD-1 blockade. Journal for immunotherapy of cancer, 5(1), . http://access.bl.uk/ark:/81055/vdc_100137786695.0x000007