No abstract available
MeSH terms
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Case-Control Studies
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Child
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Child, Preschool
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Electromyography / methods
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Fasciculation / physiopathology*
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Humans
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Infant
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Muscle, Skeletal / pathology*
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Muscle, Skeletal / physiopathology*
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Spinal Muscular Atrophies of Childhood / diagnostic imaging
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Spinal Muscular Atrophies of Childhood / genetics
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Spinal Muscular Atrophies of Childhood / physiopathology
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Ultrasonography