TY - JOUR T1 - The Roles of Diffusion and Perfusion MR Imaging in Acute Stroke Management JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 957 LP - 959 VL - 20 IS - 6 AU - Richard E. Latchaw Y1 - 1999/06/01 UR - http://www.ajnr.org/content/20/6/957.abstract N2 - ER -