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2. Echocardiogr-aphy;Feigenbaum, H.,1981
3. Cardiac imaging using a phased-array ultrasound system. 11: Clinical techniques and applications;Kisslo, J.; VonRamm, O.T.; Thurstone, F.L.;Circulation,1976
4. Two dimensional real-time ultrasonic imaging of the heart and great vessels. Technique, image orientation, structure identification and validation;Tajik, A.J.; Seward, J.B.; Hagler, D.J.; Mair, D.D.; Lie, J.T.,1978
5. A population study of stroke and TIA;Whisnant, J.P.,1976