Radial diffusivity predicts demyelination in ex vivo multiple sclerosis spinal cords. - Eric C. Klawiter; Robert E. Schmidt; Kathryn Trinkaus; Hsiao-Fang Liang; Matthew D. Budde; Robert T. Naismith; Sheng-Kwei Song; Anne H. Cross; Tammie L. S. Benzinger (NeuroImage, 2011)