Brain Injury After Cardiopulmonary Arrest and Its Assessment With Diffusion-Weighted Magnetic Resonance ImagingBarrett, Kevin M.; Freeman, William D.; Weindling, Steven M.; Brott, Thomas G.; Broderick, Daniel F.; Heckman, Michael G.; Crook, Julia E.; Divertie, Gavin D.; Meschia, James F. · Mayo Clinic Proceedings · 2007