RT Journal Article SR Electronic T1 Can I tell you something? I'm doping… 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 510 OP 511 DO 10.1136/bjsports-2015-095602 VO 50 IS 9 A1 H P Dijkstra A1 N van Dyk A1 Y O Schumacher YR 2016 UL http://bjsm.bmj.com/content/50/9/510.abstract AB