Effects of the dual endothelin receptor antagonist bosentan in patients with pulmonary arterial hypertension: a 1-year follow-up study.
Sitbon O, Badesch DB, Channick RN, Frost A, Robbins IM, Simonneau G, Tapson VF, Rubin LJ. Effects of the dual endothelin receptor antagonist bosentan in patients with pulmonary arterial hypertension: a 1-year follow-up study. Chest. 2003 Jul; 124(1):247-54.