Influence of microbiological culture results on antibiotic choices for veterans with hospital acquired pneumonia and ventilator associated pneumonia Infection Control & Hospital Epidemiology Cambridge Core Treatment recommendations of hospital acquired pneumonia in Asian countries: first consensus report by the Asian HAP Working Group American Journal of Infection Control Efficacy of quality improvement interventions on antibiotic prescription practices for ventilator associated pneumonia at a tertiary care centre: a prospective prepost interventional study BMJ Open Quality Antibiotic Utilization and Outcomes for Patients With Clinically Suspected Ventilator Associated Pneumonia and Negative Quantitative BAL Culture Results ScienceDirect