Kumar P P, Good R R, Epstein B E
Am J Clin Oncol. 1987 Jun;10(3):240-2. doi: 10.1097/00000421-198706000-00015.
Retrospective analysis of 76 patients with locally advanced squamous cell carcinoma of multiple head and neck sites, who were treated by surgical resection and either 4,000-5,000, 6,000, or 6,600 rad postoperative external beam radiotherapy, revealed reduced local recurrence rates with increasing postoperative radiation dose.