Determinants of exercise intolerance in patients with heart failure and reduced or preserved ejection fraction.
Haykowsky MJ, Tomczak CR, Scott JM, Paterson DI, Kitzman DW. Determinants of exercise intolerance in patients with heart failure and reduced or preserved ejection fraction. J Appl Physiol (1985). 2015 Sep 15; 119(6):739-44.