RT Journal Article SR Electronic T1 Review: Antihypertensive drugs improve maternal outcomes in mild chronic and pregnancy-induced hypertension JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 177 OP 177 DO 10.1136/ebm.4.6.177 VO 4 IS 6 YR 1999 UL http://ebm.bmj.com/content/4/6/177.abstract AB