Sitaxsentan for the treatment of pulmonary arterial hypertension: a 1-year, prospective, open-label observation of outcome and survival.
Benza RL, Barst RJ, Galie N, Frost A, Girgis RE, Highland KB, Strange C, Black CM, Badesch DB, Rubin L, Fleming TR, Naeije R. Sitaxsentan for the treatment of pulmonary arterial hypertension: a 1-year, prospective, open-label observation of outcome and survival. Chest. 2008 Oct; 134(4):775-782.