CD8+ tumour-infiltrating lymphocytes in relation to HPV status and clinical outcome in patients with head and neck cancer after postoperative chemoradiotherapy: A multicentre study... by Balermpas, P, Rödel, F, Rödel, C, Krause, M, Linge, A, Lohaus, F, Baumann, M, Tinhofer, I, Budach, V, Gkika, E, Stuschke, M, Avlar, M, Grosu, A, Abdollahi, A, Debus, J, Bayer, C, Stangl, S, Belka, C, Pigorsch, S, Multhoff, G, Combs, S, Mönnich, D, Zips, D, Fokas, E