TY - JOUR T1 - When to retire after concussion? JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 380 LP - 382 DO - 10.1136/bjsm.35.6.380 VL - 35 IS - 6 AU - Paul McCrory Y1 - 2001/12/01 UR - http://bjsm.bmj.com/content/35/6/380.abstract N2 - This article has been retracted. See the retraction notice for details. The PDF is retained for transparency. ER -