OC-019: Salvage surgery after head and neck squamous cell carcinoma treated with bioradiotherapy. (February 2015) - Rovira Casas, A.; Tornero, J.; Oliva, M.; Taberna, M.; Nogues, J.; Navarro-Perez, V.; Viñals, J.; Mari, A.; Lozano, A.; Maños, M.