RT Journal Article SR Electronic T1 Increased physical activity in older adults is associated with decreased fear of falling JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP ebnurs-2018-102868 DO 10.1136/eb-2018-102868 A1 Renata N Kirkwood YR 2018 UL http://ebn.bmj.com/content/early/2018/02/18/eb-2018-102868.abstract AB