3Bronze MS,Dale JB.The reemergence of serious group A Streptococcal inections and acute rheumatic fever.Am J Med Sci 1996;311:41-54.
4Kaul R.MeGeer A,Low DE,et al.Populationbased surveillance for group A streptococcal necrotizing fasciitis:clinical features,prognostic indicators,and microbiologic analysis of seventy-seven cases.Am J Med 1997;103:18-24.
5Demers B,Simor AE,Vellend H,et al.Severe invasive group A streptococcal infections in Ontario.Canada :1987-1991.Clin Infect Dis 1993;16:792-800.
6Cbelsom J.Halstensen A,Haga T,et al.Necrotizing fasciitis due to group A streptococci in western Norway:incidence and clinical features.Lancet 1994;344:1111-5.
7Cartwright K,Logan M,McNulty C,et al.A chuster of cases of streptococcal necrotizing fasciitis in Gloucestershire.Epidemiol Infect 1995;115:387-97.
8Hoge CW,Scbwartz B,Talkington DF,et al.The changing epidemiology of invasive group A streptococcal infections and the emergence of streptococcal toxic sbock-like syndrome:a retrospectiive population-based study.JAMA 1993;269:384-9.
9Stevens DL,Tanner MH,Winship J,et al.Severe group A streptococcal infections associated with a boxic shock-like syndrome and scarlet fever toxin A.N Engl J Med 1989;321:1-7.
10Stromberg A,Romanus V,Burman LG.Outbreak of group A streptococcal bacteremia in Sweden:an epidemiologic and clinical study.J Infect Dis 1991;164:595-8.
