title: Special report: stereotactic radiosurgery for intracranial lesions by gamma beam, linear accelerator, and proton beam methods.
mesh_terms: D001927:Brain Diseases / Q000532:radiotherapy; D005720:Gamma Rays; D006801:Humans; D010315:Particle Accelerators; D011522:Protons; D016634:Radiosurgery / Q000295:instrumentation / Q000379:methods*
chemical_list: D011522:Protons