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Amplitudes, Durations, and Timings of Apically Directed Left Ventricular Myocardial Velocities: I. Their Normal Pattern and Coupling to Ventricular Filling and Ejection[J] . Ramdas G. Pai,Kanwaljit S. Gill.Journal of the American Society of Echocardiography . 1998 (2)
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Quantitative Assessment of Alterations in Regional Left Ventricular Contractility With Color-Coded Tissue Doppler Echocardiography: Comparison With Sonomicrometry and Pressure-Volume Relations[J] . John Gorcsan,David P. Strum,William A. Mandarino,Vijay K. Gulati,Michael R. Pinsky.Circulation . 1997 (10)
[5]
Myocardial velocity gradient as a new indicator of regional left ventricular contraction: Detection by a two-dimensional tissue doppler imaging technique[J] . Masaaki Uematsu,Kunio Miyatake,Norio Tanaka,Hisao Matsuda,Akihiro Sano,Nobuo Yamazaki,Makoto Hirama,Masakazu Yamagishi.Journal of the American College of Cardiology . 1995 (1)