APA citiranje

Zhang, Y., Nitter-Hauge, S., Ihlen, H., & Myhre, E. (1985). Doppler echocardiographic measurement of cardiac output using the mitral orifice method.

Citação norma Chicago

Zhang, Y., S. Nitter-Hauge, H. Ihlen, and E. Myhre. Doppler Echocardiographic Measurement of Cardiac Output Using the Mitral Orifice Method. 1985.

MLA citiranje

Zhang, Y., S. Nitter-Hauge, H. Ihlen, and E. Myhre. Doppler Echocardiographic Measurement of Cardiac Output Using the Mitral Orifice Method. 1985.