PT - JOURNAL ARTICLE AU - Roger Collier TI - New United States mammogram guidelines ignite debate AID - 10.1503/cmaj.109-3124 DP - 2010 Feb 09 TA - Canadian Medical Association Journal PG - E101--E102 VI - 182 IP - 2 4099 - http://www.cmaj.ca/content/182/2/E101.short 4100 - http://www.cmaj.ca/content/182/2/E101.full SO - CMAJ2010 Feb 09; 182