3Moreira S, Lopes A, Cadarso F,et al. Community-acquired pneumonia in a central hospital-comparison between a group of elderly and a non-elderly patients[J]. Rev Port Pneumol. 2003 ;9(5 Suppl) :7-8.
4Liang SY, Mackowiak PA. Infections in the elderly [ J]. Clin Geriatr Med, 2007 ;23(2) :441-56.
5El Solh AA, Aquilina AT, Gunen H, et al. Radiographic resolution of community-acquired bacterial pneumonia in the elderly [J].J Am Geriatr Soe, 2004 ;52 ( 2 ) : 224-9.
