RT Journal Article SR Electronic T1 Pain relief after musculoskeletal trauma 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 318 OP 318 DO 10.1136/bjsports-2018-099614 VO 53 IS 5 A1 Gijs Helmerhorst YR 2019 UL http://bjsm.bmj.com/content/53/5/318.abstract AB