PT - JOURNAL ARTICLE AU - M. Wintermark AU - M.H. Lev TI - FDA Investigates the Safety of Brain Perfusion CT AID - 10.3174/ajnr.A1967 DP - 2010 Jan 01 TA - American Journal of Neuroradiology PG - 2--3 VI - 31 IP - 1 4099 - http://www.ajnr.org/content/31/1/2.short 4100 - http://www.ajnr.org/content/31/1/2.full SO - Am. J. Neuroradiol.2010 Jan 01; 31