RT Journal Article SR Electronic T1 Men who maintained or improved physical fitness had reduced risk for all-cause and CVD mortality JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 26 OP 26 DO 10.1136/ebm.1995.1.26 VO 1 IS 1 YR 1995 UL http://ebm.bmj.com/content/1/1/26.abstract AB