RT Journal Article SR Electronic T1 Breast is best for more than 6 months JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 631 OP 632 VO 167 IS 6 A1 Laura N. Haiek A1 Suzanne Dionne YR 2002 UL http://www.cmaj.ca/content/167/6/631.3.abstract