RT Journal Article SR Electronic T1 Clinical practice guidelines for the care and treatment of breast cancer: the management of ductal carcinoma in situ (summary of the 2001 update) JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 912 OP 913 VO 165 IS 7 A1 Ivo Olivotto A1 Mark Levine A1 The Steering Committee on Clinical Practice Guidelines for the Care and Treatment of Breast Cancer YR 2001 UL http://www.cmaj.ca/content/165/7/912.abstract