RT Journal Article SR Electronic T1 Preventing overdiagnosis and the harms of too much sport and exercise medicine 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 1314 OP 1318 DO 10.1136/bjsports-2018-100039 VO 53 IS 20 A1 Daniel J Friedman A1 Karim M Khan YR 2019 UL http://bjsm.bmj.com/content/53/20/1314.abstract AB