@article{ref1,
title="Heavy hitting: concussions and safety law",
journal="CMAJ : Canadian Medical Association journal",
year="2012",
author="Monette, Michael",
volume="184",
number="12",
pages="E641-2",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0820-3946",
doi="10.1503/cmaj.109-4244",
url="http://dx.doi.org/10.1503/cmaj.109-4244"
}