%0 Journal Article %A Klaus Gebel %A Ding Ding %T Walking lowers mortality risk in older US adults %D 2018 %R 10.1136/bmjebm-2018-110902 %J BMJ Evidence-Based Medicine %P bmjebm-2018-110902 %U https://ebm.bmj.com/content/ebmed/early/2018/05/04/bmjebm-2018-110902.full.pdf