Regine, W F Postoperative radiation therapy for primary vs. recurrent squamous cell carcinoma of the head and neck: results of a comparative analysis. [electronic resource] - Head & neck Sep 1999 - 554-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1043-3074 Standard No.: 10.1002/(sici)1097-0347(199909)21:6<554::aid-hed9>3.0.co;2-2 doi Subjects--Topical Terms: Actuarial AnalysisAdultAgedAged, 80 and overCarcinoma, Squamous Cell--pathologyChi-Square DistributionDisease-Free SurvivalFemaleHead and Neck Neoplasms--pathologyHumansMaleMiddle AgedMouth Neoplasms--pathologyMultivariate AnalysisNeoplasm Recurrence, Local--pathologyNeoplasm StagingPostoperative CarePrognosisRadiotherapy, AdjuvantSurvival RateTreatment Outcome