No abstract available
MeSH terms
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Asthma / complications
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Bronchial Spasm / complications
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Bronchitis / complications
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Chronic Disease
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Dyspnea, Paroxysmal / complications
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Gastroesophageal Reflux / complications
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Humans
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Lung Diseases, Obstructive / complications
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Pulmonary Embolism / complications
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Respiratory Sounds / etiology*