4Ho KK,Pinsky JL,Kannel WB,et al.The epidemiology of heart failure: the Framingham study[].Journal of the American College of Cardiology.1993
5Massie BM,Shah NB.Evolving trends in the epidemiologic factors of heart failure: rationale for preventive strategies and comprehensive disease management[].American Heart Journal.1997
6Banerjee P,Clark AL,Cleland JGF,et al.Nomal eject fraction heart fail-ure:a difficult problem in the elderly[].American Journal of Geriatric Cardiology.2004
7European Society of Cardiology.Task force for the diagnosis and treatment of chronic heart failure Guideline for the diagnosis and treatment of chronic heart failure[].European Heart Journal.2001