Isosorbide Dinitrate, With or Without Hydralazine, Does Not Reduce Wave Reflections, Left Ventricular Hypertrophy, or Myocardial Fibrosis in Patients With Heart Failure With Preser... oleh Payman Zamani, Scott Akers, Haideliza Soto‐Calderon, Melissa Beraun, Maheswara R. Koppula, Swapna Varakantam, Deepa Rawat, Prithvi Shiva‐Kumar, Philip G. Haines, Jesse Chittams, Raymond R. Townsend, Walter R. Witschey, Patrick Segers, Julio A. Chirinos