RT Journal Article SR Electronic T1 Expression of concern about content of which Dr Paul McCrory is a single author 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-2022-106408eoc DO 10.1136/bjsports-2022-106408eoc YR 2022 UL http://bjsm.bmj.com/content/early/2023/06/01/bjsports-2022-106408eoc.abstract AB