Phase 2 trial of concurrent 5-fluorouracil, hydroxyurea, cetuximab, and hyperfractionated intensity-modulated radiation therapy for locally advanced head and neck cancer. - Kao J; Genden EM; Gupta V; Policarpio EL; Burri RJ; Rivera M; Gurudutt V; Som PM; Teng M; Packer SH (Cancer, 2011)