5Niederman MS, Mandell LA, Anzueto A, et al. Guidelines for the management of adults with community-acquired pneumonia: diagnosis, assessment of severity, antimicrobial therapy, and prevention. Am J Respir Crit Care Med,2001, 163.. 1730-1754.
7Singh N, Rogers P, Atwood CW, et al. Short-course empiric antibiotic therapy for patients with pulmonary infiltrates in the intensive care unit. Am J Respir Crit Care Med, 2000, 162:505-511.
6Hoffken G, Niederman MS. Nosocomial pneumonia: the importance of a de-escalating strategy for antibiotic treatment of pneumonia in the ICU[J]. Chest,2002,122(6):2183-2196.
7Singh N, Rogers P, Atwood CW, et al. Short-course empiric antibiotic therapy for patients with pulmonary infiltrates in the intensive care unit[J]. Am J Respir Crit Care Med, 2000,162(2):505-511.
8Richards MJ, Edwards JR, Culver DH, et al. Nosocomial infections in medical intensive care units in the United States. National Nosocomial Infections Surveillance System[J]. Crit Care Med,1999, 27(5):887-892.
9Livermore DM. Clinical significance of beta-lactamase induction and stable derepression in Gram-negative rods[J]. Eur J Clin Microbiol, 1987,6(4):439-445.
10Goldman DA, Weinstein RA, Wenzel RP, et al. Strategies to prevent and control the emergence and spread of antimicrobial-resistant microorganisms in hospitals: a challenge to hospital leadership[J]. JAMA, 1996, 275(3):234-240.