2Heffelfinger JD,Davis TE,Gebrian B,et al.Evaluation of children with recurrent pneumonia diagnosed by World Health Organization Criteria.Pediatr Infect Dis J,2002,21(2):108-112.
4British Thoracic Society of Standards of Care Committee. British Thoracic Society Guidelines for the Management of Community Acquired Pneumonia in Childhood. Thorax,2002,57 Suppl 1 :i1-24.
5Ball C. Levels of evidence and grades of recommendations [DB/DL]. Centre for Evidence. based Medicine, 1998 [2006-11-09]. http://163.1. 212.5/docs/levels. html.
6Pechere JC. Community-acquired pneumonia in children. West Sussex : Cambridge Med Pub, 1995.
8Korppi M, Heiskanen-Kosma T, Jalonen E, et al. Aetiology of community-acquired pneumonia in hospital. Eur J Pediatr,1993,152:24-30.
9Juven T, Mertsola J, Waris M, et al. Etiology of communityacquired pneumonia in 254 hospitalized children. Pediatr Infect Dis J,2000,19:293-298.
10Wubbel L, Muniz L, Ahmed A, et al. Etiology and treatment of community-acqulred pneumonia in ambulatory children. Pediatr Infect Dis J,1999, 18:98-104.
