No abstract available
Publication types
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Multicenter Study
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Amyotrophic Lateral Sclerosis / diagnosis*
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Amyotrophic Lateral Sclerosis / epidemiology*
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Female
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Humans
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Male
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Middle Aged
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Needles*
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Post-Dural Puncture Headache / epidemiology*
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Post-Dural Puncture Headache / prevention & control*
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Retrospective Studies