RT Journal Article SR Electronic T1 Family history and breast cancer JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1391 OP 1391 DO 10.1503/cmaj.111670 VO 184 IS 12 A1 June C. Carroll A1 Ruth Heisey A1 Ellen Warner YR 2012 UL http://www.cmaj.ca/content/184/12/1391.abstract