title: Fast neutron and mixed (neutron/photon) beam teletherapy for grades III and IV astrocytomas.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001254:Astrocytoma / Q000473:pathology / Q000532:radiotherapy*; D001932:Brain Neoplasms / Q000473:pathology / Q000532:radiotherapy*; D003711:Demyelinating Diseases / Q000209:etiology; D005214:Fast Neutrons / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009336:Necrosis / Q000209:etiology; D011832:Radiation Injuries / Q000209:etiology; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012075:Remission, Spontaneous; D013997:Time Factors