No abstract available
MeSH terms
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Aged
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Amyotrophic Lateral Sclerosis / complications*
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Amyotrophic Lateral Sclerosis / diagnostic imaging*
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Diaphragm / diagnostic imaging*
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Female
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Humans
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Male
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Middle Aged
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Reproducibility of Results
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Respiratory Function Tests / methods*
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Respiratory Insufficiency / diagnostic imaging*
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Respiratory Insufficiency / etiology*
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Sensitivity and Specificity
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Ultrasonography