No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
MeSH terms
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Aged
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Female
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Health Services Accessibility*
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Hospitalization / statistics & numerical data*
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Humans
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Intensive Care Units
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Lung Diseases / therapy*
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Male
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Middle Aged
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Outcome Assessment, Health Care*
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Pennsylvania
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Retrospective Studies