Nitric Oxide–Mediated Coronary Endothelial Function Is Impaired in Patients With Heart Failure With Preserved Ejection Fraction. (21st July 2022) - Lewsey, Sabra C.; Hays, Allison G.; Schär, Michael; Bonanno, Gabriele; Sharma, Kavita; Afework, Yohannes; Gerstenblith, Gary; Weiss, Robert G.