PT - JOURNAL ARTICLE AU - Atkin, Andrew J AU - Carr, Shelby AU - Friedenreich, Christine AU - Biddle, Stuart JH AU - Milton, Karen TI - Behavioural epidemiology of physical activity in people living with chronic conditions AID - 10.1136/bjsports-2021-105171 DP - 2022 Aug 01 TA - British Journal of Sports Medicine PG - 896--897 VI - 56 IP - 16 4099 - http://bjsm.bmj.com/content/56/16/896.short 4100 - http://bjsm.bmj.com/content/56/16/896.full SO - Br J Sports Med2022 Aug 01; 56