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4. Simultaneous determination of aortic valve area by the Gorlin formula and by transesophageal echocardiography under different transvalvular flow conditions. Evidence that anatomic aortic valve area does not change with variations in flow in aortic stenosis. Tardif JC, Rodrigues AG, Hardy JF, Leclerc Y, Petitclerc R, Mongrain R, Mercier LA. J Am Coll Cardiol; 1997 May 01; 29(6):1296-302. PubMed ID: 9137227 [Abstract] [Full Text] [Related]
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18. Aortic valve resistance as an adjunct to the Gorlin formula in assessing the severity of aortic stenosis in symptomatic patients. Cannon JD, Zile MR, Crawford FA, Carabello BA. J Am Coll Cardiol; 1992 Dec 01; 20(7):1517-23. PubMed ID: 1452925 [Abstract] [Full Text] [Related]