RT Journal Article SR Electronic T1 Combined HRT increased CV events more than placebo but did not differ from oestrogen HRT after menopause JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 52 OP 52 DO 10.1136/ebm.13.2.52 VO 13 IS 2 YR 2008 UL http://ebm.bmj.com/content/13/2/52.abstract AB