No abstract available
MeSH terms
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Belgium / epidemiology
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Comorbidity
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Female
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Follow-Up Studies
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Heart Septal Defects, Atrial / epidemiology*
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Heart Septal Defects, Atrial / surgery*
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Humans
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Male
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Middle Aged
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Migraine Disorders / epidemiology*
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Migraine Disorders / prevention & control*
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Observer Variation
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Prevalence
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Surveys and Questionnaires