@article{ref1,
title="Cycling without a helmet",
journal="CMAJ : Canadian Medical Association journal",
year="2006",
author="Giles, S.",
volume="175",
number="11",
pages="1407-1407",
abstract="Concerns the risk of riding without a bicycle helmet.  <p>Language: en</p>",
language="en",
issn="0820-3946",
doi="10.1503/cmaj.1060053",
url="http://dx.doi.org/10.1503/cmaj.1060053"
}