Okunieff P, Kachnic LA, Constine LS, Fuller CD, Gaspar LE, Hayes DF, Hooks J, Ling C, Meyskens FL, Philip PA, Raben D, Smalley SR, Swanson GP, Teicher BA, Thomas CR, Vikram B, Zelefsky MJ, Baker LH. Report from the Radiation Therapy Committee of the Southwest Oncology Group (SWOG): Research Objectives Workshop 2008. Clin Cancer Res. 2009 Sep 15; 15(18):5663-70.