No abstract available
MeSH terms
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Aged
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Clinical Trials as Topic
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Forced Expiratory Volume
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Humans
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Lung Diseases, Obstructive / mortality*
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Lung Diseases, Obstructive / physiopathology
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Lung Diseases, Obstructive / therapy
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Oxygen / therapeutic use
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Positive-Pressure Respiration
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Prognosis
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Total Lung Capacity
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United States