5Mandell LA, Wunderink RG, Anzueto A, et al. Infectious Diseases Society of America/American Thoracic Society consensus guidelines on the management of community-acquired pneumonia in adults [J]. Clin Infect Dis, 2007, 44 (Suppl-2): S27-72.
6Jackson ML, Nelson JC, Jackson LA. Risk factors for communit y-acquired pneumonia in immunocompetent seniors [J]. J Am Geriatr Soc, 2009,57 (5): 882-888.
7Loeb M, Neupane B, Walter SD, et al. Environmental risk factors for community-acquired pneumonia hospitalization in older adults [J]. J Am Geriatr Soc, 2009,57 (6): 1036-1040.
8Vila-Corcoles A, Ochoa-Gondar O, Rodriguez-Blanco T, et al. Epidemiology of community-acquired pneumonia in older adults: Apopulation-basedstudy [J]. RespirMed, 2009,103 (2): 309-316.
9El-Solh AA, Pietrantoni C, Bhat A, et al. Microbiology of severe aspiration pneumonia in institutionalized elderly [J]. Am J Respir Crit Care Med, 2003, 167 (12): 1650-1654.
10Gutierrez F, Masia M, Mirete C, et al. The influence of age and gender on the population-based incidence of community-acquired pneumonia caused by different microbial pathogens [J]. J Infect, 2006, 53 (3): 166-174.