No abstract available
MeSH terms
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Diagnosis, Differential
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Female
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Head / diagnostic imaging
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Headache / diagnosis*
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Headache / etiology*
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Humans
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Middle Aged
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Retrospective Studies
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Spinal Puncture / adverse effects*
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Spinal Puncture / methods
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Subarachnoid Hemorrhage / diagnosis
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Tomography, X-Ray Computed / methods