The reliability of F18-FDG-PET/CT in tumordiagnostics of Head-and-Neck squamous-cell carcinoma - Tschammer, JD; Helmstädter, V; Zimmermann, I; Raab, P; Derlin, T; Lenarz, T; Durisin, M (Laryngo-Rhino-Otologie, 2018)