@article{ref1,
title="Do helmet wearing laws prevent bicycle injuries?",
journal="Medical journal of Australia",
year="1993",
author="Lane, Jodi and McDermott, Francis",
volume="159",
number="11-12",
pages="719-721",
abstract="Do bicycle helmet laws prevent bicycle injuries?  <p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}