No abstract available
MeSH terms
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Aged
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Costs and Cost Analysis
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Humans
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Intubation, Intratracheal / economics
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Lung Diseases, Obstructive / therapy
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Positive-Pressure Respiration* / economics
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Prospective Studies
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Randomized Controlled Trials as Topic
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Respiration, Artificial / economics
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Respiratory Insufficiency / therapy*