Witt, D., Donson, A., , Moreira, D., Sanford, B., Hoffman, L., … Griesinger, A. (2018). Specific expression of PD-L1 in RELA-fusion supratentorial ependymoma: Implications for PD-1-targeted therapy. Pediatric Blood & Cancer. https://doi.org/10.1002/pbc.26960 (Original work published 2018)