MR diffusion changes correlate with ultra-structurally defined axonal degeneration in murine optic nerve. - Qizhu Wu; Helmut Butzkueven; Melissa Gresle; Frank Kirchhoff; Anna Friedhuber; Qing Yang; Hong Wang; Ke Fang; Hao Lei; Gary F. Egan; Trevor J. Kilpatrick (NeuroImage, 2007)