Effects of sildenafil on skeletal muscle performance during exercise

Evaluation of left ventricular systolic function in patients with primary diastolic heart failure

Efficacy and safety of sildenafil in the management of pulmonary hypertension in mitral valve surgery

Significance of vascular endothelial dysfunction in hypertensive patients and effects of antihypertensive therapy

Role of sildenafil (viagra) in perioperative management of pulmonary hypertension in pediatric patients with congenital heart disease

Asymmetric dimethyl l-arginine, endogenous inhibitor of nitric oxide synthase in congestive heart failure : Relation to cardiac function

The effect of Tadalafil on right ventricular function in patients with pulmonary hypertension undergoing valve surgery assessed by Tissue Doppler and Tei index

The study of efficacy and safety of oral sildenafil in the treatment of persistentpulmonary hypertension of the newborn

Cardioprotective effects of erythropoietin hormone : A study on a possible role in heart failure and myocardial infarction : Elucidation of underlying mechanisms

Detection of left ventricular dysfunction in pulmonary hypertension : Radionuclide angiography and echo-Doppler evaluation