Listening to a personal music player is associated with fewer but more serious injuries among snowboarders in a terrain park: a case-control study
Kelly Russell, Willem Meeuwisse, Alberto Nettel-Aguirre, Carolyn A Emery, Shantel Gushue, Jillian Wishart, Nicole Romanow, Brian H Rowe, Claude Goulet, Brent E Hagel
British Journal of Sports Medicine Jan 2015, 49 (1) 62-66; DOI: 10.1136/bjsports-2014-093487