No abstract available
MeSH terms
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Adolescent
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Age of Onset
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Biopsy
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Child
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Child, Preschool
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Electromyography
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Humans
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Muscle, Skeletal / physiopathology
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Neural Conduction*
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Spinal Muscular Atrophies of Childhood / diagnosis*
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Spinal Muscular Atrophies of Childhood / physiopathology