TY - JOUR T1 - '...and do no harm.'. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 1 LP - 5 VL - 16 IS - 1 AU - S Hetts AU - A Werne AU - G B Hieshima Y1 - 1995/01/01 UR - http://www.ajnr.org/content/16/1/1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -