Timing of the decline in physical activity in childhood and adolescence: Gateshead Millennium Cohort Study
Mohammed Abdulaziz Farooq, Kathryn N Parkinson, Ashley J Adamson, Mark S Pearce, Jessica K Reilly, Adrienne R Hughes, Xanne Janssen, Laura Basterfield, John J Reilly
British Journal of Sports Medicine Aug 2018, 52 (15) 1002-1006; DOI: 10.1136/bjsports-2016-096933