The limited value of cytoreductive surgery in elderly patients with malignant gliomas.
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D000368:Aged; D001932:Brain Neoplasms / Q000191:economics / Q000401:mortality / Q000601:surgery*; D003362:Cost-Benefit Analysis; D005909:Glioblastoma / Q000191:economics / Q000401:mortality / Q000601:surgery*; D015276:Health Care Rationing / Q000191:economics; D006801:Humans; D011788:Quality of Life; D015996:Survival Rate