Evaluation of the Prevalence of Pulmonary Hypertension in Adult Patients With Sickle Cell Disease
The Efficacy and Safety of Vardenafil in the Treatment of Pulmonary Arterial Hypertension
Safety and Efficacy of Bosentan in Patients With Diastolic Heart Failure and Secondary Pulmonary Hypertension
Placebo Controlled Trial of Bosentan in Scleroderma Patients
† Study has passed its completion date and status has not been verified in more than two years.