RT Journal Article SR Electronic T1 Review: drugs for mild to moderate hypertension in pregnancy reduce the risk of severe hypertension but not pre-eclampsia JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 116 OP 116 DO 10.1136/ebm.12.4.116 VO 12 IS 4 YR 2007 UL http://ebm.bmj.com/content/12/4/116.abstract AB