Letters to the Editor

CT Angiography Source Images with Modern Multisection CT Scanners: Delay Time from Contrast Injection to Imaging Determines Correlation with Infarct Core

Published online before print February 9, 2012, doi: 10.3174/ajnr.A3039 AJNR 2012 33: E61 B. Pullia and A.J. Yooa aDivision of Diagnostic and Interventional Neuroradiology Massachusetts General Hospital Harvard Medical School Boston, Massachusetts We have read with great interest the letter