Authors: Thomas E Merchant; Larry E Kun; Matthew J Krasin; Dana Wallace; Murali M Chintagumpala; Shiao Y Woo; David M Ashley; Maree Sexton; Stewart J Kellie; Verity Ahern; Amar Gajjar Journal: Int J Radiat Oncol Biol Phys Date: 2007-09-24 Impact factor: 7.038