TY - JOUR T1 - Oral treprostinil for the treatment of pulmonary arterial hypertension in patients receiving background endothelin receptor antagonist and phosphodiesterase type 5 inhibitor therapy (The FREEDOM-C2 Study): A randomized controlled trial JO - Chest PY - 2013/09/01 AU - Tapson VF AU - Jing ZC AU - Xu KF AU - Pan L AU - Feldman J AU - Kiely DG AU - Kotlyar E AU - McSwain CS AU - Laliberte K AU - Arneson C AU - Rubin LJ ED - DO - DOI: 10.1378/chest.12-2875 VL - 144 IS - 3 SP - 952 EP - 958 Y2 - 2025/01/13 ER -