PT - JOURNAL ARTICLE AU - Martin P Schwellnus TI - SportsMedUpdate DP - 2008 Jul 01 TA - British Journal of Sports Medicine PG - 625--626 VI - 42 IP - 7 4099 - http://bjsm.bmj.com/content/42/7/625.short 4100 - http://bjsm.bmj.com/content/42/7/625.full SO - Br J Sports Med2008 Jul 01; 42