No abstract available
Publication types
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Letter
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Age Distribution
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Aged
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Aged, 80 and over
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Female
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Humans
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Male
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Medicare
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Pulmonary Disease, Chronic Obstructive / complications
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Pulmonary Disease, Chronic Obstructive / epidemiology*
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Quality of Life
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Sex Distribution
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Sleep Apnea, Obstructive / complications
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Sleep Apnea, Obstructive / epidemiology*
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Syndrome
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United States / epidemiology