Little, S. H., Igo, S. R., Pirat, B., McCulloch, M., Hartley, C. J., Nosé, Y., & Zoghbi, W. A. (2007). In Vitro Validation of Real-Time Three-Dimensional Color Doppler Echocardiography for Direct Measurement of Proximal Isovelocity Surface Area in Mitral Regurgitation.

Little, Stephen H., Stephen R. Igo, Bahar Pirat, Marti McCulloch, Craig J. Hartley, Yukihiko Nosé, and William A. Zoghbi. In Vitro Validation of Real-Time Three-Dimensional Color Doppler Echocardiography for Direct Measurement of Proximal Isovelocity Surface Area in Mitral Regurgitation. 2007.

Little, Stephen H., et al. In Vitro Validation of Real-Time Three-Dimensional Color Doppler Echocardiography for Direct Measurement of Proximal Isovelocity Surface Area in Mitral Regurgitation. 2007.