@article{ref1,
title="No strong evidence bicycle helmet legislation deters cycling",
journal="Medical journal of Australia",
year="2016",
author="Olivier, Jake and Boufous, Soufiane and Grzebieta, Raphael H.",
volume="205",
number="2",
pages="54-55",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}