1. The diagnostic application of ultrasound to the disease in mediastinal organs. Ultrasono-tomography for the heart and great vessels;Ebina, T.; Kikuchi, Y.; Oka, S.; Tanaka, M.; Kosaka, S.; Uchida, R.; Hagiwara, Y.;Science Reports of the Research Institutes, Tohoku University-C,1965
2. The ultrasono-tomography for the heart and great vessels in living human subjects by means of the ultrasonic reflection technique;Ebina, T.; Oka, S.; Tanaka, M.; Kosaka, S.; Terasawa, Y.; Unno, K.; Kikuchi, Y.; Uchida, R.;Japanese Heart Journal,1967
3. Ultrasoundcardiography in mitral valve stenosis;Edler, I.;American Journal of Cardiology,1967
4. Preand postoperative evaluation of mitral stenosis by ultrasound;Effert, S.;American Journal of Cardiology,1967
5. tYber die Anwendung des Ultraschall-Echoverfahrens in der Herzdiagnostik;Effert, S.; Erkens, H.; Grosse-Brockhoff, F.;Deutsche medizinische Wochenschrift,1957