PT - JOURNAL ARTICLE AU - Rose, C. A. TI - Canadian National Breast Screening Study DP - 1993 Jul 15 TA - Canadian Medical Association Journal PG - 137a--137 VI - 149 IP - 2 4099 - http://www.cmaj.ca/content/149/2/137a.short 4100 - http://www.cmaj.ca/content/149/2/137a.full SO - CMAJ1993 Jul 15; 149