RT Journal Article SR Electronic T1 Is transdermal menopausal hormone therapy a safer option than oral therapy? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 549 OP 550 DO 10.1503/cmaj.130004 VO 185 IS 7 A1 Liu, Bette YR 2013 UL http://www.cmaj.ca/content/185/7/549.abstract AB