Two-dimensional echocardiographic measurement of left ventricular ejection fraction: prospective analysis of what constitutes an adequate determination.
作者信息
Stamm R B, Carabello B A, Mayers D L, Martin R P
出版信息
Am Heart J. 1982 Jul;104(1):136-44. doi: 10.1016/0002-8703(82)90651-2.