RT Journal Article SR Electronic T1 HRT did not reduce coronary events in postmenopausal women with existing heart disease JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 52 OP 52 DO 10.1136/ebn.2.2.52 VO 2 IS 2 YR 1999 UL http://ebn.bmj.com/content/2/2/52.abstract AB