TY - JOUR T1 - MRIs more accurate than mammograms but expensive JF - Canadian Medical Association Journal JO - CMAJ SP - 840 LP - 840 DO - 10.1503/cmaj.1041508 VL - 171 IS - 8 AU - Laura Eggertson Y1 - 2004/10/12 UR - http://www.cmaj.ca/content/171/8/840.abstract ER -