Comparative value of NYHA functional class and quality-of-life questionnaire scores in assessing heart failure

Citation:

Athanasopoulos LV, Dritsas A, Doll HA, Cokkinos DV. Comparative value of NYHA functional class and quality-of-life questionnaire scores in assessing heart failure. Journal of cardiopulmonary rehabilitation and prevention. 2010;30:101–105.