The Endothelium as a Regulator of Vascular Tone and Growth.- Effects of Physical and Pharmacological Interventions on Circulating Endothelin-1 Levels in Humans.- The Role of Endothelin in Congestive Heart Failure.- Endothelin as a Regulator of Vascular Tone in Man: Studies in Upper Limb Resistance and Capacitance Vessels.- Systemic and Endocrine Effects of Endothelin in Humans.- Endothelin in Hypertension and Vascular Hypertrophy: Experimental Studies.- Role of Endogenous Endothelin in Myocardial Ischemia and Nitric Oxide-Deficient Hypertension.- Endothelin and Renal Function: From Theory to Therapy.- The Endothelium and the Pathogenesis of Chronic Vascular Diseases: The Protective Role of Calcium Antagonists.- Insulin and the Regulation of the Cardiovascular System: Role of the L-arginine Nitric Oxide Pathway and the Sympathetic Nervous System.- Endothelin Receptor Antagonists as New Tools to Inhibit Endothelin induced Vasoconstriction in Humans: Comparison with Calcium Channel Blockers.- Endothelial Dysfunction: Clinical Applicability of Calcium Antagonist Drugs.- Endothelin in Hypertension and Diabetes Mellitus.- Endothelium-Dependent Vasodilation in the Peripheral Circulation in Humans In Vivo: Effects of Hypertension and Aging.- Endothelin and Pulmonary Hypertension.