M Hirama

Myocardial velocity gradient as a new indicator of regional left ventricular contraction: detection by a two-dimensional tissue Doppler imaging technique.

M. Uematsu, K. Miyatake, M Uematsu, 1995, Journal of the American College of Cardiology.

New method for evaluating left ventricular wall motion by color-coded tissue Doppler imaging: in vitro and in vivo studies.

M. Yamagishi, M. Uematsu, K. Miyatake, 1995, Journal of the American College of Cardiology.

An evaluation of an in vivo local sound speed estimation technique by the crossed beam method.

M Hirama, M Kondo, K Takamizawa, 1990, Ultrasound in medicine & biology.

Quantitative measurement of volume flow rate (cardiac output) by the multibeam Doppler method.

H. Tsujino, M. Hirama, H Tsujino, 1995, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.