Article info
Original research
Mouthguard use in youth ice hockey and the risk of concussion: nested case–control study of 315 cases
- Correspondence to Dr Brent E Hagel, Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; brent.hagel{at}albertahealthservices.ca
Citation
Mouthguard use in youth ice hockey and the risk of concussion: nested case–control study of 315 cases
Publication history
- Accepted December 16, 2019
- First published January 14, 2020.
Online issue publication
November 23, 2020
Article Versions
- Previous version (19 August 2020).
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© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.