M. Zeppa

Three-dimensional echocardiographic assessment of annular shape changes in the normal and regurgitant mitral valve.

G Bashein, E L Bolson, F H Sheehan, 2000, American heart journal.

Influence of echocardiographic scan plane location and number on the accuracy of three-dimensional left ventricular volume and shape determination.

F. Sheehan, E. Bolson, R. Martin, 1999, The American journal of cardiology.