PT - JOURNAL ARTICLE AU - Karen Birchard TI - Canadian medical image app number one in the US AID - 10.1503/cmaj.109-4527 DP - 2013 Sep 03 TA - Canadian Medical Association Journal PG - E569--E569 VI - 185 IP - 12 4099 - http://www.cmaj.ca/content/185/12/E569.short 4100 - http://www.cmaj.ca/content/185/12/E569.full SO - CMAJ2013 Sep 03; 185