RT Journal Article SR Electronic T1 National Football League concussion lawsuit: what it means for other sports and observations from Singapore Rugby JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 696 OP 697 DO 10.1136/bjsports-2016-096565 VO 51 IS 9 A1 Dinesh Sirisena A1 Joy Walter A1 Joanne Probert YR 2017 UL http://bjsm.bmj.com/content/51/9/696.abstract AB