No abstract available
Publication types
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Practice Guideline
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Review
MeSH terms
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Acute Disease
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Diagnosis, Differential
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Diagnostic Techniques, Respiratory System / standards*
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Disease Progression
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Humans
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Prognosis
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Pulmonary Disease, Chronic Obstructive / diagnosis*
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Pulmonary Disease, Chronic Obstructive / pathology*
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Risk Factors
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Severity of Illness Index*