No abstract available
MeSH terms
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Acute Disease
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Denmark / epidemiology
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Humans
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Positive-Pressure Respiration / methods*
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Pulmonary Disease, Chronic Obstructive / complications
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Pulmonary Disease, Chronic Obstructive / mortality
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Pulmonary Disease, Chronic Obstructive / therapy*
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Respiration, Artificial
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Respiratory Insufficiency / etiology
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Respiratory Insufficiency / mortality
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Respiratory Insufficiency / therapy*