PT - JOURNAL ARTICLE AU - Lisa Murphy AU - Alessandro R Demaio TI - Understanding and removing barriers to physical activity: one key in addressing child obesity AID - 10.1136/bjsports-2017-098546 DP - 2018 Oct 01 TA - British Journal of Sports Medicine PG - 1284--1285 VI - 52 IP - 20 4099 - http://bjsm.bmj.com/content/52/20/1284.short 4100 - http://bjsm.bmj.com/content/52/20/1284.full SO - Br J Sports Med2018 Oct 01; 52