APA

Hurrell D. G., Nishimura R. A., Ilstrup D. M. & Appleton C. P. (19970825). Utility of preload alteration in assessment of left ventricular filling pressure by Doppler echocardiography: a simultaneous catheterization and Doppler echocardiographic study. : Journal of the American College of Cardiology.

Chicago

Hurrell D G, Nishimura R A, Ilstrup D M and Appleton C P. 19970825. Utility of preload alteration in assessment of left ventricular filling pressure by Doppler echocardiography: a simultaneous catheterization and Doppler echocardiographic study. : Journal of the American College of Cardiology.

Harvard

Hurrell D. G., Nishimura R. A., Ilstrup D. M. and Appleton C. P. (19970825). Utility of preload alteration in assessment of left ventricular filling pressure by Doppler echocardiography: a simultaneous catheterization and Doppler echocardiographic study. : Journal of the American College of Cardiology.

MLA

Hurrell D G, Nishimura R A, Ilstrup D M and Appleton C P. Utility of preload alteration in assessment of left ventricular filling pressure by Doppler echocardiography: a simultaneous catheterization and Doppler echocardiographic study. : Journal of the American College of Cardiology. 19970825.