1Sharon Ann HunL William T Abraham, Arthur M. Feldman, et al. ACC / AlIA 2005 Guideline Update for the Diagnosis and Management of Chronic Heart Failure in the Adult p]. Circulation. 2005,1 12:e154-e235.
2The Criteria Committee of New York Heart Association. 1994. Revisions to classification of functional capacity and objective assessment of Patients with diseases of the heart[J]. Circulation, 1994,90( 1 ) :644-645.
