RT Journal Article SR Electronic T1 Review: lack of evidence that multifactorial risk assessment and targeted interventions prevent falls in elderly people JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 116 OP 116 DO 10.1136/ebm.13.4.116 VO 13 IS 4 YR 2008 UL http://ebm.bmj.com/content/13/4/116.abstract AB