TY  - SER
AU  - McAlpine, David M.
AU  - Sztajnkrycer, Matthew D.
TI  - Concussions in law enforcement
SN  - 0032-2571
U1  - BPer. 363.02 
PY  - 2015///
CY  - --Alexandria, USA
PB  - The International Association of Chief of Police, Inc.
KW  - Law enforcement
ER  -