PT - JOURNAL ARTICLE AU - The Canadian Task Force on Preventive Health Care TI - Recommendations on screening for breast cancer in average-risk women aged 40–74 years AID - 10.1503/cmaj.110334 DP - 2011 Nov 22 TA - Canadian Medical Association Journal PG - 1991--2001 VI - 183 IP - 17 4099 - http://www.cmaj.ca/content/183/17/1991.short 4100 - http://www.cmaj.ca/content/183/17/1991.full SO - CMAJ2011 Nov 22; 183