PT  - JOURNAL ARTICLE
AU  - Quarrie, Kenneth Lincoln
AU  - Murphy, Ian Robert
TI  - Towards an operational definition of sports concussion: identifying a limitation in the 2012 Zurich consensus statement and suggesting solutions
AID  - 10.1136/bjsports-2014-094112
DP  - 2014 Dec 01
TA  - British Journal of Sports Medicine
PG  - 1589--1591
VI  - 48
IP  - 22
4099  - http://bjsm.bmj.com/content/48/22/1589.short
4100  - http://bjsm.bmj.com/content/48/22/1589.full
SO  - Br J Sports Med2014 Dec 01; 48