@article{ref1,
title="Helmet use by skiers and snowboarders in New Zealand",
journal="New Zealand medical journal",
year="2013",
author="Gilbey, Andrew and Tani, Kawtar",
volume="126",
number="1386",
pages="117-118",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-8446",
doi="",
url="http://dx.doi.org/"
}