No abstract available
MeSH terms
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Aged, 80 and over
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Botulinum Toxins / administration & dosage
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Endoscopy, Gastrointestinal
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Esophageal Achalasia / diagnostic imaging*
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Esophageal Achalasia / drug therapy
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Female
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Humans
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Pneumonia, Aspiration / diagnostic imaging*
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Pneumonia, Aspiration / etiology
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Weight Loss*