TY - JOUR T1 - Perfusion CT Scans JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 343 LP - 344 VL - 23 IS - 2 AU - RĂ¼diger von Kummer Y1 - 2002/02/01 UR - http://www.ajnr.org/content/23/2/343.abstract N2 - ER -