00394nas a2200121   4500000000100000008004100001100001600042700001400058700001700072245011300089250002100202020004900223       2013                            d1 aWilliams C.1 aNathan N.1 aWolfenden L.00aPhysical activity promotion in primary care has a sustained influence on activity levels of sedentary adults  a22 November 2013  a1473-0480 (Electronic) - 0306-3674 (Linking)