A Sano

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.