Acute toxicities in proton therapy for head and neck cancer – A matched analysis of the DAHANCA 35 feasibility study oleh K. Nowicka-Matus, J. Friborg, C.R. Hansen, M. Bernsdorf, U.V. Elstrøm, M. Farhadi, C. Grau, J.G. Eriksen, J. Johansen, M.S. Nielsen, A. Holm, E. Samsøe, P. Sibolt, B. Smulders, K. Jensen