PT - JOURNAL ARTICLE AU - Osman Hassan Ahmed AU - Adam Arthur AU - Alastair Bolton AU - Alex Evens AU - Philip Slemon TI - ‘World Rugby Concussion’ by World Rugby Limited: a smartphone application for the general public AID - 10.1136/bjsports-2017-098185 DP - 2017 Sep 27 TA - British Journal of Sports Medicine PG - bjsports-2017-098185 4099 - http://bjsm.bmj.com/content/early/2017/09/27/bjsports-2017-098185.short 4100 - http://bjsm.bmj.com/content/early/2017/09/27/bjsports-2017-098185.full