The gamma knife.
Lunsford
L D
LD
Flickinger
J C
JC
Steiner
L
L
D001932:Brain Neoplasms / Q000532:radiotherapy*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000532:radiotherapy*; D013238:Stereotaxic Techniques / Q000295:instrumentation*