PT - JOURNAL ARTICLE AU - C Jarvis TI - Performance enhancing substances in sport and exercise AID - 10.1136/bjsm.2005.014381 DP - 2005 Sep 01 TA - British Journal of Sports Medicine PG - 687--687 VI - 39 IP - 9 4099 - http://bjsm.bmj.com/content/39/9/687.short 4100 - http://bjsm.bmj.com/content/39/9/687.full SO - Br J Sports Med2005 Sep 01; 39