United States Pulmonary Hypertension Scientific Registry: Baseline Characteristics.
Badlam JB, Badesch DB, Austin ED, Benza RL, Chung WK, Farber HW, Feldkircher K, Frost AE, Poms AD, Lutz KA, Pauciulo MW, Yu C, Nichols WC, Elliott CG. United States Pulmonary Hypertension Scientific Registry: Baseline Characteristics. Chest. 2021 01; 159(1):311-327.