Coche E., Vlassenbroek A., Roelants V., D’Hoore W., Verschuren F., Goncette L., Maldague B. Evaluation of biventricular ejection fraction with ECG-gated 16-slice CT: preliminary findings in acute pulmonary embolism in comparison with radionuclide ventriculography. Eur Radiol. 2005 Jul;15(7):1432-40