Ogura, A. ., Akiyoshi, T. ., Yamamoto, N. ., Kawachi, H. ., Ishikawa, Y. ., Mori, S. ., … Ueno, M. . (2018). Pattern of programmed cell death-ligand 1 expression and CD8-positive T-cell infiltration before and after chemoradiotherapy in rectal cancer. European Journal of Cancer (Oxford, England : 1990), 91, 11-20. https://doi.org/10.1016/j.ejca.2017.12.005 (Original work published 2018)