APA

Nissen S. E., Elion J. L., Grayburn P., Booth D. C., Wisenbaugh T. W. & DeMaria A. N. (19870414). Determination of left ventricular ejection fraction by computer densitometric analysis of digital subtraction angiography: experimental validation and correlation with area-length methods. : The American journal of cardiology.

Chicago

Nissen S E, Elion J L, Grayburn P, Booth D C, Wisenbaugh T W and DeMaria A N. 19870414. Determination of left ventricular ejection fraction by computer densitometric analysis of digital subtraction angiography: experimental validation and correlation with area-length methods. : The American journal of cardiology.

Harvard

Nissen S. E., Elion J. L., Grayburn P., Booth D. C., Wisenbaugh T. W. and DeMaria A. N. (19870414). Determination of left ventricular ejection fraction by computer densitometric analysis of digital subtraction angiography: experimental validation and correlation with area-length methods. : The American journal of cardiology.

MLA

Nissen S E, Elion J L, Grayburn P, Booth D C, Wisenbaugh T W and DeMaria A N. Determination of left ventricular ejection fraction by computer densitometric analysis of digital subtraction angiography: experimental validation and correlation with area-length methods. : The American journal of cardiology. 19870414.