Forgot?
Pulmonary Disease, Chronic Obstructive
Community-Acquired Infections
Pneumonia, Bacterial
Pneumonia
Respiratory Distress Syndrome, Adult
Anti-Bacterial Agents
Artificial Respiration
Double-Blind Method
Hospitalization
Treatment Outcome
Retrospective Studies
Risk Factors
Severity of Illness Index
Hospital Mortality
Prospective Studies
Cohort Studies
Logistic Models
Time Factors
Intensive Care Units
Forced Expiratory Volume
Co-Publications
51
32
22
21
20
15
14
13
11
10
9
Flash Player Required