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  • The endothelium regulates vascular tone and growth by releasing such factors as nitric oxide and endothelin-1.Objective: To determine whether ERT alters the balance between the total oxidized products of nitric oxide and endothelin-1.Design: Single-arm, before???after clinical trial.Setting: Outpatient clinical research center of an academic medical center.Patients: 15 postmenopausal women.Interve
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  • annals.org