PT - JOURNAL ARTICLE ED - , TI - Medical Effects of Ionizing Radiation, 3rd ed AID - 10.3174/ajnr.A1289 DP - 2009 Feb 01 TA - American Journal of Neuroradiology PG - e30--e30 VI - 30 IP - 2 4099 - http://www.ajnr.org/content/30/2/e30.short 4100 - http://www.ajnr.org/content/30/2/e30.full SO - Am. J. Neuroradiol.2009 Feb 01; 30