Balermpas, P., Rödel, F., Krause, M., Linge, A., Lohaus, F., Baumann, M., Tinhofer, I., Budach, V., Sak, A., Stuschke, M., Gkika, E., Grosu, A., Abdollahi, A., Debus, J., Stangl, S., Ganswindt, U., Belka, C., Pigorsch, S., Multhoff, G., Combs, S. E., Welz, S., Zips, D., Lim, S. Y., Rödel, C., Fokas, E., & , (n.d.). the PD‐1/PD‐L1 axis and human papilloma virus in patients with head and neck cancer after adjuvant chemoradiotherapy: A multicentre study of the German Cancer Consortium Radiation Oncology Group (DKTK‐ROG). International journal of cancer, 141(3), 594–603. http://access.bl.uk/ark:/81055/vdc_100046696618.0x00005a