APA

Stewart W. J., Galvin K. A., Gillam L. D., Guyer D. E. & Weyman A. E. (19851004). Comparison of high pulse repetition frequency and continuous wave Doppler echocardiography in the assessment of high flow velocity in patients with valvular stenosis and regurgitation. : Journal of the American College of Cardiology.

Chicago

Stewart W J, Galvin K A, Gillam L D, Guyer D E and Weyman A E. 19851004. Comparison of high pulse repetition frequency and continuous wave Doppler echocardiography in the assessment of high flow velocity in patients with valvular stenosis and regurgitation. : Journal of the American College of Cardiology.

Harvard

Stewart W. J., Galvin K. A., Gillam L. D., Guyer D. E. and Weyman A. E. (19851004). Comparison of high pulse repetition frequency and continuous wave Doppler echocardiography in the assessment of high flow velocity in patients with valvular stenosis and regurgitation. : Journal of the American College of Cardiology.

MLA

Stewart W J, Galvin K A, Gillam L D, Guyer D E and Weyman A E. Comparison of high pulse repetition frequency and continuous wave Doppler echocardiography in the assessment of high flow velocity in patients with valvular stenosis and regurgitation. : Journal of the American College of Cardiology. 19851004.