Poon, Donald Concurrent chemoradiotherapy in locoregionally recurrent nasopharyngeal carcinoma. [electronic resource] - International journal of radiation oncology, biology, physics Aug 2004 - 1312-8 p. digital Publication Type: Journal Article ISSN: 0360-3016 Standard No.: 10.1016/j.ijrobp.2004.01.037 doi Subjects--Topical Terms: AdultAgedAntineoplastic Combined Chemotherapy Protocols--therapeutic useCarcinoma--drug therapyCisplatin--administration & dosageCombined Modality TherapyFemaleFluorouracil--administration & dosageHumansMaleMiddle AgedNasopharyngeal Neoplasms--drug therapyNeoplasm Recurrence, Local--drug therapyProportional Hazards ModelsRetrospective Studies