5Lim WS,van der Eerden MM,Lang R,et al. Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study [J]. Thorax, 2003,58(5) : 377-382.
6Marrie TJ, Poulin-Cosetello M, Beecroft MD, et al. Etiology of community-acquired pneumonia treated in an ambulatory setting[J]. Respir Med,2005,99(1):60-65.
7Almirall J, Boixeda R, Bolibar I, et al. Differences in the etiology of community-acquired pneumonia according to site of care: a population-based study[J]. Respir Med, 2007,101(10) : 2168- 2175.
8Thibodeau KP, Viera AJ. Atypical pathogens and challenges in community-acquired pneumonia[J]. Am Faro Physician, 2004, 69(7) : 1699-1706.
9Saito A, Kohno S, Matsushima T, et ak Prospective multicenter study of the causative organisms of community-acquired pneumonia in adults in Japan[J].J Infect Chemother, 2006,12 (2) : 63-69.
10de Roux A, Ewig S, Garcia E, et al. Mixed community-acquired pneumonia in hospitalised patients [J]. Eur Respir J, 2006,27 (4) : 795-800.
