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Pulmonary Disease, Chronic Obstructive
Lung Neoplasms
Community-Acquired Infections
Lung Diseases
Tracheal Diseases
Retrospective Studies
Treatment Outcome
Risk Factors
Hospital Mortality
Odds Ratio
Logistic Models
Survival Analysis
Predictive Value of Tests
Intensive Care Units
Republic of Korea
Korea
Spirometry
Forced Expiratory Volume
Asian Continental Ancestry Group
Smoking
Co-Publications
12
7
5
4
3
2
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