RT Journal Article SR Electronic T1 The search for size: a doping risk factor in adolescent rugby? 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 203 OP 204 DO 10.1136/bjsports-2015-094737 VO 50 IS 4 A1 Kevin Till A1 Ben Jones A1 Jim McKenna A1 Lisa Whitaker A1 Susan H Backhouse YR 2016 UL http://bjsm.bmj.com/content/50/4/203.abstract AB