1. Heart failure and cardiomyopathy;Mendes,2001
2. Fishman AP, Elias JA, Fishman JA, Grippi MA, Kaiser LR, Senior RM: Approach to the patient with respiratory symptoms: dyspnea in chronic cardiac disease. In: Fishman AP., editor. Fishman's pulmonary diseases and disorders, vol. 1. New York: McGraw Hill; 1998. p. 373–4.
3. Clinical diagnosis of congestive heart failure in patients with acute dyspnea;Marantz;Chest,1990
4. Dyspnea differentiation index;Ailani;Chest,1999
5. Task group on surveillance for respiratory hazards in the occupational setting. Surveillance for respiratory hazards;Brooks;ATS News,1982