RT Journal Article SR Electronic T1 Hypericum extract was better than placebo and equivalent to imipramine for moderate depression JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 116 OP 116 DO 10.1136/ebm.5.4.116 VO 5 IS 4 YR 2000 UL http://ebm.bmj.com/content/5/4/116.abstract AB