High Risk Factors Associated With Disease Recurrence in Patients With Salivary Gland Cancer Treated with Surgery ± Adjuvant Radiation Therapy or Chemoradiation Therapy - Noble, A.; Koyfman, S.; Bledsoe, T.; Reddy, C.; Adelstein, D.; Scharpf, J.; Lorenz, R.; Alam, D.; Burkey, B.; Greskovich, J. (International Journal of Radiation Oncology, Biology, Physics, 2012)