RT Journal Article SR Electronic T1 Review: long term lithium treatment lowers suicide risk in major affective disorder JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 50 OP 50 DO 10.1136/ebm.7.2.50 VO 7 IS 2 YR 2002 UL http://ebm.bmj.com/content/7/2/50.abstract AB