This definition appears rarely
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In this study the effect of left ventricular to aortic assistance in salvagi; Effects of left ventricular to aortic and left atrial to aortic assistance on...
Servocontrolled cardiac assistance: Effects of left ventricular to aortic and left atrial to aortic assistance on infarct size
J. W., Blair, O. M., Willman, V. L.: The effect of left atrial-to-aortic assistance on infarct size. Circulation Suppl. II 56, 38-43 (1977b) 10.