RT Journal Article SR Electronic T1 A 16-week tai chi programme prevented falls in healthy older adultsCommentary JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 60 OP 60 DO 10.1136/ebn.11.2.60 VO 11 IS 2 A1 Claudia Mariano YR 2008 UL http://ebn.bmj.com/content/11/2/60.abstract AB