No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Deglutition Disorders / etiology*
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Esophagus / diagnostic imaging
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Esophagus / pathology
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Esophagus / physiology*
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Humans
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Male
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Peristalsis
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Pneumonia, Aspiration / diagnosis
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Pneumonia, Aspiration / etiology
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Radiography
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Vomiting / etiology