RT Journal Article SR Electronic T1 Review: evidence from single studies shows that very few fall risk assessment tools can predict falls in elderly people JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 123 OP 123 DO 10.1136/ebn.10.4.123 VO 10 IS 4 YR 2007 UL http://ebn.bmj.com/content/10/4/123.abstract AB