title: Radiation therapy in the management of head-and-neck cancer of unknown primary origin: how does the addition of concurrent chemotherapy affect the therapeutic ratio?
authors.affiliation: Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA, USA. allen.chen@ucdmc.ucdavis.edu
authors.forename: Allen M
authors.initials: AM
authors.lastname: Chen
authors.forename: D Gregory
authors.initials: DG
authors.lastname: Farwell
authors.forename: Derick H
authors.initials: DH
authors.lastname: Lau
authors.forename: Bao-Qing
authors.initials: BQ
authors.lastname: Li
authors.forename: Quang
authors.initials: Q
authors.lastname: Luu
authors.forename: Paul J
authors.initials: PJ
authors.lastname: Donald