RT Journal Article SR Electronic T1 Retraction: What advice should we give to athletes postconcussion? 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 bjsports-36-5-316ret DO 10.1136/bjsports-36-5-316ret YR 2022 UL http://bjsm.bmj.com/content/early/2022/10/12/bjsports-36-5-316ret.abstract AB