1. Hernandez RR, Greenfield JC, McCall BW (1964) Pressure-flow studies in hypertrophic sub-aortic stenosis. J Clin Invest 43: 401–407
2. Criley JM, Lewis KB, White RI, Ross RS (1965) Pressure gradients without obstruction: A new concept of “Hypertrophic subaortic stenosis”. Circulation 32: 881–887
3. Ross J Jr, Braunwald E, Gault JH, Mason DT, Morrow AG (1966) Mechanism of the intraventricular pressure gradient in idiopathic hypertrophic subaortic stenosis. Circulation 34: 558578
4. Ross J, Gault JH, Mason DT (1966) On the question of obstruction in idiopathic hypertrophic subaortic stenosis (editorial). Ann Int Med 65: 859–861
5. Wigle ED, Marquis Y, Auger P (1967) Muscular subaortic stenosis. Initial left ventricular inflow tract pressure in the assessment of intraventricular pressure differences in man. Circulation 35: 1100–1117