2Sehmidt Ioanas M, Lode H. Treatment of pneumonia in: elderly patients[J]. Expert Opin Pharmaeother,2006,7 ( 5 ) :499- 507.
3Fernandez Sabe N, Carratala J, Roson B, et al.Community-acquired pneumonia in very elderly patients.causative organisms, clinical characteristics, and outcomes[ J ]. Medicine ( Baltimore ), 2003,82 ( 3 ):159-169.
4Ferrara A M,Fietta A M. New developments in antibacterial choice for lower respiratory tract infections in elderly patients [ J ]. Drugs Aging,2004,21 ( 3 ) :167 -186.
5Alan M,Fein M D. Pneumonia in the Elderly-Specical Diagnostic and Therapeutic Considerations[J]. Medical Clinics of North America, 1994,78 (5) : 101'5.