Newby, D E Reduced responsiveness to endothelin-1 in peripheral resistance vessels of patients with syndrome X. [electronic resource] - Journal of the American College of Cardiology Jun 1998 - 1585-90 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0735-1097 Standard No.: 10.1016/s0735-1097(98)00143-0 doi Subjects--Topical Terms: Analysis of VarianceEndothelin Receptor AntagonistsEndothelin-1--bloodEnzyme Inhibitors--pharmacologyFemaleHumansMaleMicrovascular Angina--physiopathologyMiddle AgedNitric Oxide--physiologyNitroprusside--pharmacologyPeptides, Cyclic--pharmacologyRegression AnalysisVascular ResistanceVasodilator Agents--pharmacologyomega-N-Methylarginine--pharmacology