Artificial Respiration
Microbial Colony Count
Bronchoscopy
Respiratory System Diagnostic Techniques
Pneumonia, Bacterial
Cross Infection
Pneumonia
Community-Acquired Infections
Obstructive Lung Diseases
Bacterial Infections
Bronchoalveolar Lavage Fluid
Lung
Prospective Studies
Risk Factors
Sensitivity and Specificity
Multivariate Analysis
Survival Rate
Anti-Bacterial Agents
Bacteria
Mechanical Ventilators
Co-Publications
38
11
10
7
6
5
4
3
2
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