TY - JOUR AU - Dishy, V; Sofowora, G; Harris, P A TI - The effect of sildenafil on nitric oxide-mediated vasodilation in healthy men JO - Clin Pharmacol Ther IS - 03 VL - 70 PY - 2001 SP - 270 EP - 279 N1 - 10.1067/mcp.2001.117995 ER -