PT - JOURNAL ARTICLE AU - Brian F. Mandell TI - Understanding the bell-ringing of concussion AID - 10.3949/ccjm.84b.08017 DP - 2017 Aug 01 TA - Cleveland Clinic Journal of Medicine PG - 583--583 VI - 84 IP - 8 4099 - http://www.ccjm.org/content/84/8/583.short 4100 - http://www.ccjm.org/content/84/8/583.full SO - Cleve Clin J Med2017 Aug 01; 84