Martínez-Ríos M A, Gil Moreno M, Cisneros F, Soní J
Arch Inst Cardiol Mex. 1975 Jan-Feb;45(1):123-9.
Left ventricular volume and ejection fraction were determined by two methods of one plane angiography in 50 cases of ischemic heart disease. Statistical analysis of the results obtained by both methods showed no significant differences.