1. Assessment and treatment of endothelial dysfunction in humans;Anderson;J Am Coll Cardiol,1999
2. Roles of endothelial dysfunction in coronary artery disease;Forgione;Curr Opin Cardiol,2000
3. Sildenafil: an orally active type 5 cyclic GMP-specific phosphodiesterase inhibitor for the treatment of penile erectile dysfunction;Boolell;Int J Impot Res,1996
4. Tissue distribution of phosphodiesterase families and the effects of sildenafil on tissue cyclic nucleotides, platelet function, and the contractile responses of trabeculae carneae and aortic rings in vitro;Wallis;Am J Cardiol,1999
5. The effect of sildenafil on nitric oxide-mediated vasodilation in healthy men;Dishy;Clin Pharmacol Ther,2001