PT  - JOURNAL ARTICLE
AU  - Johnson, L. Syd M.
TI  - Concussion in youth ice hockey: It’s time to break the cycle
AID  - 10.1503/cmaj.110282
DP  - 2011 May 17
TA  - Canadian Medical Association Journal
PG  - 921--924
VI  - 183
IP  - 8
4099  - http://www.cmaj.ca/content/183/8/921.short
4100  - http://www.cmaj.ca/content/183/8/921.full
SO  - CMAJ2011 May 17; 183