RT Journal Article SR Electronic T1 Physical activity for all: new research highlights health benefits JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 883 OP 883 DO 10.1136/bjsm.2009.068148 VO 43 IS 12 A1 Kimberly G Harmon YR 2009 UL http://bjsm.bmj.com/content/43/12/883.abstract AB