Characteristics of patients with pulmonary arterial hypertension from an innovative, comprehensive real-world patient data repository. - Farber, Harrison W.; Chakinala, Murali M.; Cho, Michelle; Frantz, Robert P.; Frick, Andrew; Lancaster, Lisa; Milligan, Scott; Oudiz, Ronald; Panjabi, Sumeet; Tsang, Yuen; Nathan, Steven D. (Pulmonary Circulation, 2023)