Effect of estrogen on exercise electrocardiograms in healthy postmenopausal women

1. Furchgott RF, Zawadzki JV. The obligatory role of endothelial cells in the relaxation of arterial smooth muscle by acetylcholine. Nature 1980;288:373–376. 2. Winlaw DS, Smythe GA, Keogh AM, Schyvens CG, Spratt PM, MacDonald PS. Increased nitric oxide production in heart failure. Lancet 1994;344:373–374. 3. Habib F, Dutka D, Crossman D, Oakley CM, Cleland JG. Enhanced basal nitric oxide production in heart failure: another failed counter-regulatory vasodilator mechanism? Lancet 1994;344:371–373. 4. Haywood GA, Tsao PS, Leyen HE, Mann M, Keeling PJ, Trindade P, Lewis NP, Byrne CD, Rickenbacher PR, Bishopric NH, et al. Expression of inducible nitric oxide synthase in human heart failure. Circulation 1996;93: 1087–1094. 5. O’Murchu B, Miller VM, Perrella MA, Burnett JC Jr. Increased production of nitric oxide in coronary arteries during congestive heart failure. J Clin Invest 1994;93: 165–171. 6. Hare JM, Colucci WS. Role of nitric oxide in the regulation of myocardial function. Prog Cardiovasc Dis 1995;38:155–166. 7. Balligand JL, Ungureanu Longrois D, Simmons WW, Pimental D, Malinski TA, Kapturczak M, Taha Z, Lowenstein CJ, Davidoff AJ, Kelly RA. Cytokine-inducible nitric oxide synthase (iNOS) expression and detection of iNOS activity in single cardiac myocyte in vitro. J Biol Chem 1994;269:27580–27588. 8. Swedberg K, Viquerat C, Rouleau JL, Roisen M, Atherton AB, Parmley WW, Chatterjee K. Comparison of myocardial catecholamine balance in chronic congestive heart failure and in angina pectoris without failure. Am J Cardiol 1984; 54:783–786. 9. Node K, Kitakaze M, Kosaka H, Komamura K, Minamino T, Tada M, Inoue M, Hori M, Kamada T. The role of a1-adrenoceptor activity in release of nitric oxide during ischemia of canine heart. Biochem Biophys Res Commun 1995;212: 1135–1139. 10. Zeballos GA, Robert D, Bernstein BA, Thompson CI, Forfia PR, Seyedi N, Shen W, Kaminski PM, Wolin MS, Hintze TH. Pharmacodynamics of plasma nitrate/nitrite as an indication of nitric oxide formation in conscious dogs. Circulation 1995;91:2982–2988. 11. Wasserman AE. The nitrite-nitrosamine situation: a review. Food Eng 1978; 50:110–116.