PT - JOURNAL ARTICLE AU - David B. Hackney TI - Maintenance of Certification: A Rocky Start to an Important Initiative DP - 2006 Jan 01 TA - American Journal of Neuroradiology PG - 2--3 VI - 27 IP - 1 4099 - http://www.ajnr.org/content/27/1/2.short 4100 - http://www.ajnr.org/content/27/1/2.full SO - Am. J. Neuroradiol.2006 Jan 01; 27