231: Clinical Outcome after Multicenter, Open-Label Phase II Trial on Post-Surgery Chemoradiation in Combination with Cetuximab in Squamous Cell Carcinoma of the Head and Neck with High-Risk of Locoregional Recurrence. (September 2016) - Boelke, Edwin; Matuschek, Christiane; Schipper, Joerg; Budach, Volker; Belka, Claus; Debus, Juergen; Wendt, Thomas; Stuschke, Martin; Wenz, Frederick; Henke, Michael; Budach, Wilfried