Left atrial volume: comparison of 2D and 3D transthoracic echocardiography with ECG-gated CT angiography.
Koka AR, Gould SD, Owen AN, Halpern EJ. Left atrial volume: comparison of 2D and 3D transthoracic echocardiography with ECG-gated CT angiography. Acad Radiol. 2012 Jan; 19(1):62-8.