PT - JOURNAL ARTICLE ED - , TI - Relative Energy Deficiency in Sport (RED-S) AID - 10.1136/bjsports-2014-094559 DP - 2015 Apr 01 TA - British Journal of Sports Medicine PG - 421--423 VI - 49 IP - 7 4099 - http://bjsm.bmj.com/content/49/7/421.short 4100 - http://bjsm.bmj.com/content/49/7/421.full SO - Br J Sports Med2015 Apr 01; 49