A New Non-Invasive Approach for Accessing Pulmonary Arterial Stiffness in Patients with Pulmonary HypertensionDENNEY, THOMAS SNational Institutes of Health (NIH), National Heart, Lung, and Blood Institute (NHLBI) (ID: 1R41HL145838-01A1), $488,009USD, 08/15/2019 -- 07/31/2020