MR Imaging Findings After Stereotactic Radiosurgery Using the Gamma Knife
AJR 176:1589-1595, Friedman,D.P.,et al, 2001
Preliminary Results of Linear Accelerator Radiosurgery for Acoustic Schwannomas
J Neurosurg 85:1013-1019, Mendenhall,W.M.,et al, 1997