PT - JOURNAL ARTICLE ED - , TI - 22-year-old woman with acute-on-chronic ankle pain AID - 10.1136/bjsm.2009.069716 DP - 2011 Jan 01 TA - British Journal of Sports Medicine PG - 68--68 VI - 45 IP - 1 4099 - http://bjsm.bmj.com/content/45/1/68.1.short 4100 - http://bjsm.bmj.com/content/45/1/68.1.full SO - Br J Sports Med2011 Jan 01; 45