Prognostic score in patients with recurrent or metastatic carcinoma of the head and neck treated with cetuximab and chemotherapy. oleh Teresa Magnes, Thomas Melchardt, Lukas Weiss, Christof Mittermair, Daniel Neureiter, Eckhard Klieser, Simon Gampenrieder, Gerhard Moser, Alexander Gaggl, Richard Greil, Alexander Egle