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 Olivotto, Ivo A1 Levine, Mark A1 , YR 2001 UL http://www.cmaj.ca/content/165/7/912.abstract