RT Journal Article SR Electronic T1 Breast self-examination JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 164 OP 164 VO 166 IS 2 A1 Clifford, Tammy J. A1 Sampson, Margaret A1 Schachter, Howard M. YR 2002 UL http://www.cmaj.ca/content/166/2/164.1.abstract