1. Echocardiographic measurement of the left ventricular outflow gradient in idiopathic hypertrophic subaortic stenosis;Henry, W.L.; Clark, C.E.; Glancy, D.L.; Epstein, S.E.;N Engl Med,1973
2. Echocardiographic criteria in the diagnosis of idiopathic hypertrophic subaortic stenosis;Rossen, R.M.; Goodman, D.J.; Ingham, R.E.; Popp, R.L.;Circulation,1974
3. Ultrasound cardiogram in patients with idiopathic hypertrophic subaortic stenosis;Tanaka, M.; Kosaka, S.; Konno, K.,1973
4. Studies on left ventricular anatomy and events in hypertrophic cardiomyopathy with ultrasonocardiotomography in special reference to obstructive signs;Nimura, Y.; Sakakibara, H.; Matsuo, H.;Shinso; Recent advances in utrasound diagnosis; Two dimensional echocardiography (ultrasonocardiotomography) in diagnosis of heart diseases,1975
5. Anatomical and functional features of hypertrophied left ventricle studied with M-mode and real time cross-sectional echocardiographies;Nagata, S.; Nimura, Y.;Jpn Circ,1979