No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
MeSH terms
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ABO Blood-Group System*
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Aged
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Brain Neoplasms / blood
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Brain Neoplasms / epidemiology*
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Female
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Glioma / blood
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Glioma / epidemiology*
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Humans
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Male
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Middle Aged
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Proportional Hazards Models
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Risk Factors
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United States / epidemiology