@article{ref1,
title="Sledding injuries",
journal="Annals of emergency medicine",
year="1980",
author="Hedges, J. R. and Greenberg, M. I.",
volume="9",
number="3",
pages="131-133",
abstract="Sixty-one sledding accidents presenting to two Philadelphia-area hospitals during a three-week period were reviewed. The majority of injuries were contusions and abrasions. Eight patients required hospitalization: four had abdominal injury. One patient with multiple trauma was pronounced dead on arrival. The physics of sledding and possible mechanisms of injury are discussed.",
language="",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}