Defining the optimal prognostic window for cardiopulmonary exercise testing in patients with heart failure.
Arena R, Myers J, Abella J, Pinkstaff S, Brubaker P, Kitzman D, Peberdy MA, Bensimhon D, Chase P, Forman DE, Guazzi M. Defining the optimal prognostic window for cardiopulmonary exercise testing in patients with heart failure. Circ Heart Fail. 2010 May; 3(3):405-11.