No abstract available
MeSH terms
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Adult
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Age Factors
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Aged
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Amyotrophic Lateral Sclerosis / epidemiology
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Female
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Humans
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Iceland
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Male
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Middle Aged
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Muscular Diseases / epidemiology
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Muscular Dystrophies / epidemiology
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Myotonia Congenita / epidemiology
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Nervous System Diseases / epidemiology*
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Nervous System Diseases / genetics
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Pedigree
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Syringomyelia / epidemiology